Using the exact values of the sine and cosine of both 2π/3 and π/4 and an angle sum identity, show that an exact value for cos (11π/12) is given by -(√2 + √6)/4.

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: Ex. 2: To model decay, we subtract the decay rate from 1. This gives us the decay factor.

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Q: The solution I recieved was marked incorrect. It says the correct answer is -8-8i√3. How did it get…

A: Previous expert used different values of thetha. That's what answer was incorrect. The correct…

Q: 6/85 7/85 If t is the distance from (1, 0) to along the circumference of the unit circle, find sin…

A: topic- trigonometric ratios

Q: C. Exponential Growth and Decay Problems: 1) Given the equation y = 35(0.57)* a) Does this equation…

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Q: Drake can rake a lawn and bag the leaves in 4 hours while Anna can do the same job in 6 hours. If…

A: To find how long will it take them to finish the job.

Q: 7) Find Possible Positive, Negative or Imaginary Zeros. f(x) = x* + 2x³ - 9x² - 2x + 8 %3D Count the…

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Q: Use the exact value of cos (11π/6) and the half-angle identity for sine to show that an exact value…

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Q: B. Tables of Values Use the table of values to confirm whether the relations are linear, quadratic,…

A: Here, to use the table values to find whether the given functions are linear, quadratic, or…

Q: •0 If points C and B are the endpoints of a diameter and A is any other point on O0, find the…

A: This question can be solved using the concept of  relation of angles and sides of a triangle and…

Q: Let a be the shorter leg of a 30°-60°-90 triangle. 60 2a 30 sin 60° = sec 60° = Cos 60° = CSC 60°=…

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Q: Evaluate the following. Write your answer in a sheet of paper. 1. sin 30° +2 cos 90° 2. tan 90° -…

A: 1.sin 30°+2cos 90°=12+20=12+0=12 2.tan 90°-cos 60°+2sin 30°=∞-12+212=∞-12+1=∞ 3.csc 30°+3cot 60°-sin…

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: what is the length of side a?

A: We will use trigonometric Ratios and Pythagoras theorem to find side a

Q: O What is x to the power of -6?

A: To write x to the power of -6.

Q: ector V has a horizontal vector component with magnitude 18 and a vertical vector component with…

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

A: Given :   Trigonometry value

Q: 3. For each pair of parametric equations, find the rectangular-coordinate equation for the curve by…

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Q: A monument near a dock is 12 miles east of a ship. After the ship has sailed 7 miles, the monument…

A: Solution:

Q: 2. The graphs of in red, and 1- cos 0, in blue, are shown below What do these graphs and your answer…

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Q: 15 30° C. 4-

A: Given that the two Right angle triangle  To find the missing side of the triangle

Q: orrect answer pls

A: A is correct Congurence doesn't imply equality

Q: Solve the ABC Triangle a = 77.8m c = 43.8m B = 16.7 degrees Find A, C, b

A: The Cosine rule: a2=b2+c2-2bc cosAb2=a2+c2-2ac cosBc2=a2+b2-2ab cosC   Given: a=77.8 m, c=43.8m,…

Q: 3. Find each measure indicated-Round tonedrest 1oth m/B 2St 24ft

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Solve the equation in the interval [0, 27). (b) tan 2 + 2 sin(2x) CSc x |

A: Solution is given below:

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: What is the dot product of the vectors (4, −10, 3) and (1, 1, 5)? a) -113 b) 0 c) 4 or d) 9

A: Given :(4, −10, 3) and (1, 1, 5)

Q: Evaluate 2 cos ( 3x – when x is 4

A: Given query is to find the value of the expression.

Q: 1. sin (5x + ) sin ( x + T /2) %3D 2. tan (3x – T/2 ) = cot 2x 3. COs (x + п /2) sin ( T /2 – 2x )…

A: Given that three trigonometry equation  To find fundamental solution of the question

Q: Tim is saving to buy a $20 000 car in 3 years. He deposits $550 every month into an account earning…

A: We have 3 years to buy a car.

Q: Find sin(a) and cos(B), tan(a) and cot(B), and sec(a) and csc(B). 12 (a) sin(a) and cos(B) (b)…

A: we have to Find trigonometric ratio

Q: The solution is incorrect

A: To solve the following problem on triangles

Q: angle below, which formula would you use and which part -) Law of Sines, <B b) Law of Sines, side BC…

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Q: Graph one complete cycle. Label everything! 1. y = 3sin2x

A: Let's find.

Q: Find the four fourth roots of z = 625( cos 47 + i in ). Write each root in standard form. Wo = W1 =…

A: This question can be solved using the concept of fourth root of complex numbers.

Q: quat sin-'(2x) + cos-'(3x) = 3

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Q: Find the vertices, foci, and the lengths of the major and minor axes for the ellipse X + y = 1. 36…

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Q: Triangle Inequality Theorem: For each of the following, tell whether it is possible to form a…

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Q: Write a specific formula for the Compound Interest example above: Now, use the following variables…

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Q: 77° 97°

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Q: How many diagonals can be drawn from one vertex of a 7-sided polygon?

A: Given,            7 sided polygon.To find : How many diagonals can be drawn from one vertex of a…

Q: 3V

A: We will find the value of x.

Q: 12 suppose that tan t = - and sin t 20. a. What is the exact value of sin t? b. what is the exact…

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Q: 2. (3x + 28)° TIA, ORTITUDO

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Q: Given 0, an angle in a right triangle and sin 0 = trigonometric ratios of 0. , find the remainin; O…

A: As we know from the trigonometric ratios;…

Q: Choose all correct statements based off the triangle given. Remember to use all your strategies to…

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Q: Suppose that sin u > and cos v = 13 such that bot and v in the and quadrant. as are • What is the…

A: Here, the given values are: sin u=513 &amp; cos v=-35 So, u and v are both in 2nd quadrant.

Q: Triangle Inequality Theorem: For each of the following, tell whether it is possible to form a…

A: We have to tell whether it is possible to from triangle.

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: L In the figure below, RM1AD. Complete the statements that follow. 45 Find: 1. ZMAD is a 2. MZDAR =…

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