7. When using a half-angle identity to find the value of sin 15 degrees, 30 degrees should be used in the formula. True False

Q: What is true about corresponding angles? O Their angles sum up to 270 degrees. Their angles sum up…

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Q: In point P(-6,-8,8), express that vector that extends from P to Q(8, 6, -1) in: a. spherical…

A: Point P(-6,-8,8) and Point Q(8,6,-1) given Let's find vector sperical coordinates.

Q: 2) Find the exact value of eac a) cos 135°

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Q: 1. An instrument store gives a 10% discount to all students off the original cost of an instrument.…

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Q: Let ABC be an equilateral triangle. Let M be the midpoint of BC and let N be the midpoint of AM.A…

A: Given that, ABC is an equilateral triangle and M is the midpoint of BC¯ and N is midpoint of  AM¯.…

Q: Find all angles, 0° <0< 360°, that satisfy the equation below. -2 cos (20) - 5 = -4 sin(0) – 8

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Q: SKETCHPAD Question 20 You select a random card from a standard deck of 52 cards. What is the…

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Q: To find the distance across a river, a surveyor chooses points A and B, which are x = 50 ft apart on…

A: here we will find the distance across river,

Q: 2. у%3— соs(x —п)

A: Given query is to find graph of the function.

Q: (ii) Prove the identity (2 - 2 cos 0)(sin 0 + sin 20 + sin 30) -(cos 40 - 1) sin 0 + sin 40 (cos 0 –…

A: Prove the Identity: 2-2cosθsinθ+sin2θ+sin3θ=-cos4θ-1sinθ+sin4θcosθ-1 NOTE: Since you have asked…

Q: A Ferris wheel has a radius of 20m and takes 2.5 minutes to rotate once. a) How far does a rider…

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Q: 6. Choose the best answer. cos a and sin 3 /3 find cos 2 If sin - x 2 6 V3 O 1 O v2

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Q: Use mathematical induction to prove the following: 1 + 3 + 5 + .. + (2n - 1) = r² for n> 1 Note: If…

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Q: 3. Give two angles that are coterminal with each of the following angles. Make one of the coterminal…

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Q: Draw your own triangles given the indicated measures and solve for the other parts using the Law of…

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Q: A quadratic polynomial y = 4x² + 7x – 3 has roots p and q. Find a quadratic g(x) = x² + ax + ß with…

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Q: The problem that follows reviews material we covered in Section 1.2. Find the distance between the…

A: distance between two points

Q: est A.Determine the six trigonometric ratios for angle D in the right triangle below D

A: we have to find trigonometric ratios for angle D.

Q: 2) Find the exact value of each trigonometric function. a) cos 135° b) tan 210° c) sin 300°

A: We have to find exact value of given trigonometric functions.

Q: Solve the following equations: 2 sin 0 tan 0 – tan 0 = 1 – 2 sin 3π π Answer:{ } 2 '6 Wherein x €…

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Q: QUESTION 3 Determina cuál de los siguientes pares de vectores son ortogonales. + = - 2i+j, →= 9i +3j…

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Q: Solve the equation in the interval [0, 27). V2 sin 5 (a) cos 0 – sin 0

A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

Q: The diagram shows a triangle ABC. 5 cm 6 ст B The lengths of AC and BC are 5 cm and 6 cm…

A: The given problem can be solved using the following formulas Area of triangle=12ab sinC…

Q: A circle has radius of 7 cm. What is the length of arc intercepted by a central angle of measure…

A: Given problem:- A circle has radius of 7 cm. What is the length of arc intercepted by a central…

Q: 4. Find cosC if a = 8, b = 7, C = 15. 102 с. 1 а. 112 112 d. -1 b. 144

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Q: Practice Exercises: Convert each percent to a decimal. a) 7% b) 6- -%- 4 c) 0.5% d) 0.008%

A: Given query is to convert percentage to decimal.

Q: Solve the following equation for all radian solutions and if  0 ≤ t < 2?.  Give all answers as…

A: To solve given trigonometric equation.

Q: why is the inverse cos of -30/12 not possible? I understand how we get the other x values but this…

A: We know cosx≤1 for all real x.

Q: The diagram shows a triangle ABC. 5 cm 6 ст B The lengths of AC and BC are 5 cm and 6 cm…

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Q: (警-) 8x 8m 8х In sketching the graph of y=4sin +2, we translate the graph of y=4sin +2 8TT units to…

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Q: Determine the exact value of the following: tan² () – sin (-) cot ()

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Q: Find the exact value for the remaining trigonometric functions  (a) sin (b) csc (C) cos  (d) tan…

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Q: many meters must the cat walk to reach the barn? а. 9.08 т c. 9.80 m b. 9.18 m d. 9.81 m 0. A kite…

A: angle of depression = 40  Therefore m∠CAB=90-40=50

Q: Find the value of a and b in the figure below. NGE (2b +9)° (3b) (b – 15)° K (4a) Solving for b: +…

A: Solving the problem by finding the required value.

Q: 1) Which is another name for side ST? 11 km 5 km (a) (b) (c) t (d) rts 9 km 2) Which is the largest…

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Q: A surveyor starts at the edge of a lake, at point A, and measures a 90° angle between B and C, as…

A: Here we will find the length of the lake between A and C,

Q: Find the exact value of the following 1.) sin30° + csc60° 2.) 5sec 30 an60° 3.) 3sin45° + 4cos45°…

A: Given :   Trigonometry value

Q: 8. A widescreen television has an aspect ratio of 16:9. If the width of a television is 20 inches,…

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Q: MULTIPLE CHOICE Question 7 What is the formula for the nth term of the sequence -2, 3, 8, 13, ...? A…

A: As we know that; The expression for the nth term of arithmetic sequence is: an=a1+n-1d Where a1 is…

Q: If 75° 150 then use the half-angle formulas to determine the exact value of sin(75°) cos(75°)

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Q: 3 Find the exact values of the circular functions whose 0 4

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Q: Find all angles, 0° <0 < 360°, that satisfy the equation below. 2 sin (0) + cos(0)- 2 = -1

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Q: Using half-angle identities, find the exact value of tan Note that 8 1- cos 0 1- cos 0 sin 0 tan 1+…

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Q: 16.11 The expression tan e sec e (1- sin e) / cos e simplifies to c) tan e a) sin 0 b) cos e d) sec…

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Q: Convert to polar coordinates withr2 0 and 0 < 0 < 27. (3, 0) (г, Ө) —

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Q: (ii) Prove the identity (2 - 2 cos 0) (sin 0 + sin 20 + sin 30) -(cos 40 - 1) sin 0 + sin 40 (cos 0…

A: As per our guidelines we are supposed to solve only one question i.e. question no (ii). For the…

Q: 9. Expand the geometric series. Enter your answers separated by commas, with no spaces. 9. 23"-1

A: As per our guidelines, we are supposed to answer?️ only one question. Kindly repost other questions…

Q: Exercise 5.4 1. sin 0=0,5 Cos 0= 0,922 c) tan 0= 2,8765 1,9 d) sin 0 = 2,6 2 tan 0 = 1 202 ) 3 cos 0…

A: Just use inverse trigonometry

Q: Find the exact values of the six trigonometric ratios of the angle 0 in the triangle. 25 24 sin 0 =…

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Q: 2) Find the exact value of each trigonometric function. a) cos 135° b) tan 210 c) sin 300°

A: Our Aim is to find the value of following trigonometric functions given below:-(i) cos 135°(ii) tan…