7. Find the exact value of each expression using the angle sum and difference formulas: cos 165°

Q: Given the polar equation r= 3/2cos(theta)-sin(theta): graph the function and then choose one point w...

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Q: v.' Verify the identity. 9.) cos x · cot x = csc x- sin x

A: Given: cosx·cotx=cscx-sinx   We know that the trigonometric identities; 1). sinx=1cscx 2). cotx=cosx...

Q: Use a graphing utility to graph the function (include two full periods). Graph the corresponding rec...

A: We have, Y = - csc(8x) Vertical Asymptotes:  x = π n /8  where  n  is an integer Amplitude: None Per...

Q: n the diagram, AB 12. Find AC and BC Write your answers in si: 600

A: Sin60° = perpendicular / hypotenuse       √3/2       = AC/AB        √3/2     = AC/12 AC = 6√3

Q: 3 14

A: Let's find. 

Q: 8n-5 6n4+7 The nth term of a sequence is represented by What is the limit of the the nth term as n b...

A: We have to find the limit

Q: Use a calculator to answer the following: a) What is the value (to four decimal places) of TAN 55 d...

A: We can solve both the answer as below.

Q: 24 49° 4. 67° 2.

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Q: Question 7 True or False: Reference angles can never be obtuse. ΑΑ True False

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Q: Prove the identity. cos? e csc e + sin(-O) = sin e We will prove the identity by transforming the le...

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Q: Use a graph to solve the equation on the interval [-2pi, 2pi] tan(x)= 1/sqrt3 Step 3  One of the ...

A: follow next step

Q: Use a sum or difference formula to find the exact value of the following. 19n 197 sin COS 30 sin COS...

A: Given that sin19π30cos7π15-cos19π30sin7π15we know that sinA-B=sinAcosB-cosAsinBsin19π30-7π15=sin19π3...

Q: Given =흙(1+ 들교 -볼 - 클시. dy 2 3 (1+ x – dx 2 What is the value of k such that y is parallel to the cu...

A: topic- slope of the curve

Q: Solve the equation for solutions over the interval [o°, 360°). 9 tan 0-9 cot e = 0 Select the correc...

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Q: Find the slope of the line normal to the curve y = x³ - 2x +1 at x = 2 -

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Q: Verify the identity. 4 cos?(x) – 2 = 2 – 4 sin2(x)

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Q: Prove the identity. sin(-0) sec(-0) cot(-0) = 1

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Q: Use the unit circle to find all values of e between 0 and 27 for which the given statement is true. ...

A: topic- trigonometric ratios

Q: 1) Look at the graphs. Are the lines Intersecting, Parallel or Coinciding. Then state the Solution. ...

A: topic - lines and their solutions

Q: Triangulation Stations A. B, C, and D have the following observation angles. Angle Values ACB 50 BAD...

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Q: 1 7. If A and B are positive acute angles and cos A = 13 then show 14' 7, cos B = that A- B = 60°.

A: We need to prove A-B=600.

Q: equa 4 Choose the correct answer below. O A. arcsin =X 2 2 ОВ. arccOS = X 2 V3 O C. arctan = X 3

A: We find the equation that solution is π/4.

Q: de C? 70 33 A

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Q: dy 2 %3D (1+x 3 dx 2 What is the value of k such that y is perpendicular to the curve y = 3x + 1 at ...

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Q: Sketch the graph of f(0)= – 3tan(20)+1. %3D

A: To sketch the graph 

Q: Write the equations of the following in terms of the secant function: 15. 16. 17. 31 2. スT -1 ース Wri...

A: Given Question:- Write the equation of the following in terms of secant function.

Q: QUESTION 5 5.1 In the diagram below, P(k ; 24) is a point in the second quadrant such that OP=25 uni...

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Q: 4. Meachelle is working diligently, as she always does, when she sights a ship from the lightloase a...

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Q: Use the figure below to find the unknown value of x * Direction: Given AHND, where AS intersects NH ...

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Q: The angle between 0 and 2π in radians that is coterminal with the angle 53π/12 radians is

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Q: Find the six trigonometric function values of the angle 0 in standard postion, if the terminal side ...

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Q: Find the missing number in the proportion. 3 x 8 32

A: topic - ratio and proportion

Q: O Watch help video Solve for æ. Round to the nearest tenth, if necessary. G. 26 45

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Q: D. Solve the following equations. Answer (c) cos 0 + sin 20 = 0,0 < 0 < 2n For cos 0 = 0,0 = 0, 2' 2...

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Q: 41.) Write the trigonometric expression in terms of sine and cosine, and then simplify.   cos(?) −...

A: secθ=1cosθ sin2θ+cos2θ=1

Q: Calculate the area and perimeter of each hole in the miniature golf course below. LGS 4(7)7 9(3) 2 2...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: From the top of a light-house at a height 20 meters above sea level, the angle of depression of a sh...

A: Use trigonometric ratio, tan(theta) = Perpendicular/Base Note that, side opposite to the angle is ta...

Q: Previous Anowen: 6.4 24 ft Barbara is standing on the ground looking up at the top of a building. Th...

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Q: Find the Area of the figure below, composed of a rectangle and a semicircle. The radius of the circl...

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Q: un a = 90° <a < 180°, then find the exact value of each of the following. α a. sin b. cos c. tan ...

A: We have to find trigonometry value

Q: Verify the identity. 1- sec 0 tan 0 = 2 cot 0 tan 0 1- sec 0 To verify the identity, start with the ...

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Q: The triangle below is isosceles. Find the length of side r to the nearest tenth. 11 Answer: x= Submi...

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Q: Ans: 11.2

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Q: sin²A = 1 - cos²A cos²A - 1 1 + cos²A

A: sin2A 

Q: Find the six trigonometric function values of the angle 0 in standard postion, if the terminal side ...

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Q: 3. A post 20 meters long stands vertically in a horizontal plane. Another post stands vertically on ...

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Q: 51. Write csc x in terms of cos x.

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Q: Use the power-reducing formulas to rewrite the expression as an equivalent expression that does not ...

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Q: A pilot is flying over the ocean. She determines that the angles of depressilon to two ships are 62°...

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Q: One angle of a right triangle measures 60°. The side opposite this angle measures 21 inches. What is...

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