Simplify the expression by first substituting values from the table of exact values and then simplifying the resulting expression. 4(sin2 90° − 2 sin 90° cos 90° + cos2 90°)

Q: Which is the value of the simplified expression of sin(257°) cos(122°)- sin(122°) cos(257°)- V2 O-V2…

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Q: Which of the following is a valid step in proving the identity 1/ sin theta - sin theta  = cos 2…

A: Given identity 1sinθ-sinθ=cos2θsecθ Find which of the following is valid for proving the above…

Q: 3. Find the exact value of cos(20) given sin 6 COS 2 and 0 is in QI. 13 Is 20 in QI or QII? Briefly…

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Q: Use an Addition or Subtraction Formula to simplify the equation. sin(?) cos(3?) + cos(?) sin(3?) = 0…

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Q: 6. Find the identical expression for the following COSX 1+sin x 1 + sin x COS X Select the correct…

A: Some triognometric identities are:  Sin2x + Cos2x = 1 Sin 2x = 2 Sin x Cos x Inverse ( sin x) = Csc…

Q: Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine…

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Q: Gren that Sin ( 5x-38°)= (Cos (2x +I6") OSnS 90° find the value of

A: Given

Q: Find the exact value of the expression. Not a deimal. Sin^-1 ( cos 2Pi/3 )

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Q: Simplify the given expression. sin(4x) cos(6x) − sin(6x) cos(4x)

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Q: (c) Under the assumption that x = ´cos 0 2 sin 0, use an appropriate right triangle to cos³ 0…

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Q: Incorrect Your answer is incorrect. Rewrite sin 2cos as an algebraic expression in u. 4 :) - sin 2…

A: We use Trigonometry identities  Sin(2A) = 2 sin(A) cos(A)

Q: Verify the identity. sin Ix- - 4 (sin x- cos x) 2 Write the left side in terms of a sum or…

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Q: Rewrite the expression as an equivalent expression that does not contain powers of trigonometric…

A: Simplify the given trigonometric function

Q: Simplify the expression sqaure root of 16-x^2 as much as possible after substituting 4 sin(theta)…

A: We have to simplify the expression sqaure root of 16-x2 as much as possible after substituting 4…

Q: Select the correct answer. Which expression is equivalent to sin(0.6r) – sin(0.4xh - O A.…

A: Trigonometric formula: - Trigonometry formulae are a group of formulas supported by pure mathematics…

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

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Q: Use the power reducing formulas to rewrite sin 5x cos 5x in terms of the first power of cosine.…

A: Consider  sin25xcos25x

Q: #3

A: a) By using the identity we get

Q: Use an Addition or Subtraction Formula to simplify the equation. sin(0) cos(30) + cos(0) sin(30) = 0…

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Q: Find the exact value of the expression. sin (25°) cos (20°) + cos (25°) sin (20°) sin (25°) cos…

A: Just use a formula and solution is easy.

Q: Rewrite the expression as a simplified expression containing one term. I cos COS • (-). n (+a) sin…

A: To simplify.

Q: 8. Find the exact value of the expression. Do not use a calculator. sin 45° cos 60°

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Q: Use the addition formulas for sine and cosine to simplify the expression. cos(s - 9t) cos 9t – sin(s…

A: Given : coss - 9tcos9t - sins  - 9tsin9t

Q: N. Evaluate without using calculator. a. -2 sin 52.5° sin 97.5° b. cos 255° cos 195°

A: topic - trigonometric identities

Q: 9. Sec. 2.1 Simplify the following expression using exact values. (a) sin?(45°) – 2 sin(45°)…

A: To simplify:a) The expression

Q: 1. Find the exact value: sinB: Given tanB= -2/5, 3r/2 <B< 2n

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Q: The expression sin? 0 is equal to O 1- cos 20 O 1- cos O 1+ cos 20 01+cos(을) 2 2.

A: use formula of cos(2A)

Q: Solve the equation. sin 0 + cos 0 = ..... What is the solution in the interval 0<0< 2n? Select the…

A: To solve the equation:sinθ+cosθ=2

Q: Find the exact value of the expression sin 3π/2 tan (-15π/4) - cos (-5π/3). Write the answer as a…

A: We know that, sinπ+θ=-sinθ             ⋯⋯1tan4π-θ=-tanθ            ⋯⋯2cos2π-θ=cosθ…

Q: 3. Find the exact value of the expression using reference triangles. sin (csc-15 Cos-

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Q: 7. Simplify the following formula sin140° cos40° + cos140° sin 40°

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Q: please help

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Q: Simplify the given expression. sin(3x) cos(5x) − sin(5x) cos(3x)

A: To simplify sin(3x) cos(5x) − sin(5x) cos(3x)

Q: Which trig ratio will allow you to solve for x? 13 29° O sin 29 = 13 O cos 29 13 13 O sin 29 = 13…

A: We have to find which trigonometric ratio will allow solving for x.

Q: 5T is equivalent to 12 The expression csc 1- 2 sin? 12 1 Cos 6. - 1- cos 6. 5 2 cos? 6 - 2]

A: Topic = Trigonometry Correct option  csc5π12=21-cos5π6

Q: Find the exact value of the expression sin π/4 cos 0 - sin π/6 cos π. Write the answer as a single…

A: Given:sinπ4 cos0-sinπ6 cosπ

Q: 9. The expression 2(sin30 9 - tan45 is equal to а. -1 с. 1 b. 0 d. 2 10. What is cos-0.32)? a:…

A: 9. let y = 2sin(30)-tan(45) we know that  tan(45) = 1 sin(30) = 0.5

Q: Read the question carefully and answer them by writing its solution in your own handwriting and scan…

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Q: x(t) = help (formulas) (b) Using a trig identity, write x(t) cos(4t) – 4 sin(4t) using only one…

A: We will find out the required values.

Q: Simplify the expression cos^2⁡x/1−cos^2⁡x A sin^2⁡x B cot^2⁡x C cos^2⁡x D tan^2⁡x

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Q: Find the exact value of the expression. Do not use a calculator. sin cos 3 6. O A. O V3 -1 OB. Ос. 1…

A: since,              cosθ=sinπ2-θ So,             cosπ6=sinπ2-π6cosπ6=sin2π6=sinπ3

Q: Use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of…

A: use the power - reducing formulas to rewritethe expression sin2(5x) cos2(5x) in terms offirst power…

Q: se the given condition to find the exact values of the expression.   cosX = 24/25, sinX < 0, cos(X…

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Q: 1. Verify the identity sin? x- sin* x cos?(-x)- cos*(-x) by rewriting the left side of the equation.…

A: sin2x-sin4x=cos2(-x)-cos4(-x)

Q: Give the exact value of the expression. sin (2 arcos sin ( 2 arcos 12/5 O 24/5 24/25 O 12/25

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Q: 3. Find exact value of each expression: given tanB = -2/5, 3r/2 <B< 2n (a) cos 2B, (b) sin 2B

A: We have to solve the angle

Q: What is the value of 7/2 r(3 cos(x) + sin(x))dr? 7/2 Give your answer as an integer or as a decimal…

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Q: What is the simplified form of 2 sin A cos A-cos A 4? 1-sin A+sin² Acos2 A cotA O sinA O cosA O tanA…

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