The formula cos a sin b = [sin(a + b) – sin(a – b)] can be used to change a sine into the of a cosine and a of two sine expressions.

Q: Find the exact value of the expression whenever it is defined.

A: Given: Let y=cos 2 sin-1 45 To Find: Exact value of given expression

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

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Q: Use the addition formulas for sine and cosine to simplify the expression. sin(a - ) + sin( + =) +…

A: In this question we need to simplify the given trigonometric function.

Q: Find the exact value of the expression sin(cos−1√5) , if possible.

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Q: Evaluate the expression cos sin 3

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Q: Find the exact value of the expression ((1):- () tan(1) sin cos-

A: cos(pi/3)= 1/2 so, cos^-1(1/2)=pi/3tan(pi/4)=1, so, tan^-1(1)= pi/4

Q: Find the exact value of the expression sin 100° cos 40° − cos 100° sin 40°

A: According to the sine difference formula, . This formula can be used to obtain the value of the…

Q: The formula cos a cos b = [cos(a – b) + cos(a + b)] can be used to change a of two cosines into the…

A: cosa cosb=12cosa-b+cosa+b

Q: Find the exact value of the expression. 2 tan cos 2

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Q: Find the exact value of the expression, if it is defined. cos sin 2

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

A: Given,

Q: Use a half-angle formula to rewrite the given expression so that it involves the sum or difference…

A: We have to rewrite inn half angle formula.

Q: Simplify to an expression of the form (a sin(0)). 6 sin 기(프) 6 cos( 4

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Q: Given sine = -5/13 and cose < 0, determine tane O -12/5 O 12/5 O 5/12 O -5/12

A: Solution ) sin(thetha) = -5/13 and cos(thetha) &lt;0 Sin thetha is ( - ) and cos (thetha) &lt;0 that…

Q: Simplify. (a) (b) cos sin 8

A: we have to simplify: (a) 1a1b=1a×b=bathis is the required answer.

Q: The formula sin a sin b = (cos(a – b) – cos(a + b)] can be used to change a the of two sines into of…

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Q: What is an equivalent expression in terms of sine for cos(68)?

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Q: 2 sin 105° cos105°

A: consider the trigonometric function  2sin105°cos105° The double angle sine formula is defined as,…

Q: Use an Addition or Subtraction Formula to simplify the equation. 1 sin(20) cos(0) – cos(20) sin(0) 2

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Q: The formula a - b sin 2 a + b cos a - cos b = -2 sin 2 can be used to change a of two cosines into…

A: The given trigonometric formula, cosa-cosb=-2sina+b2sina-b2 Take the left side of the expression.…

Q: Evaluate the expression without using a calculator. sin " + cos 4 4

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Q: Use a half-angle formula to rewrite the given expression so that it involves the sum or difference…

A: Topic: trigonometry

Q: Find the exact value of (sin 14°)2 + (cos 14°)2 - 3

A: Given expression: sin 14∘2+cos 14∘2-3 The objective is to find the exact value of sin 14∘2+cos…

Q: Find the exact value of the expression. Not a decimal.   cos^-1 (sin 7Pi/6)

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Q: If the sin 30⁰ is 1/2, then the cos ____⁰=_____.

A: Use the property of sin(90°-thetha)=cos(thetha)

Q: What is the formula for sin 2A?

A: Consider the provided expression, sin2A Write the formula of the expression, We can write as,…

Q: Find the value of cos 1- + 2 sin 1/2

A: value=?

Q: Find the exact value of the expression. sin 25°cos 35° + cos 25°sin35°

A: Given : sin25°cos35°+cos25°sin35°

Q: Find the exact value of the expression. 11x sin 9. COS

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Q: Find the exact value of cos20 given sin0 =- and 0 < 0 < 13

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Q: Find sin(2a), cos(2a), and tan(2a).

A: Here we have,

Q: The difference formula for the sine function is sin(A-B)=....................

A: Given: sinA-B=......... To Find: The difference formula for the given function

Q: Use an Addition or Subtraction Formula to simplify the equation. cos(θ) cos(2θ) + sin(θ) sin(2θ) =…

A: Use an Addition or Subtraction Formula to simplify the equation. cos(θ) cos(2θ) + sin(θ) sin(2θ) =…

Q: Find the exact value of the expression. Not a decimal.   Sin ^-1[cos(-4Pi/3)]

A: Please see the explanation below

Q: Determine the exact value of cos 60° x sin 30°.

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Q: Find the exact value of the expression. 1 tan sin cos

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Q: Rewrite sin 2 cos as an algebraic expression in v. 4 sin 2 cos 4 믐 =

A: We have to write the trigonometric expression as algebraic form in terms of v.

Q: Write the formulas for cos(A - B) and sin (A - B)?

A: We have to write the formulas for cosA-B and sinA-B. We know the formula for cosine difference angle…

Q: Use a half-angle formula to rewrite the given expression so that it involves the sum or difference…

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Q: Find sin 0 and cos 0 if the point 9.37, 7.06 is on the terminal side of 0?

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Q: and sin 0 = , find cos 20.

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Q: Use an Addition or Subtraction Formula to simplify the equation. sin(30) cos(0) – cos(30) sin(0) %3D…

A: Given equation is sin3θcosθ-cos3θsinθ=12. Note that, the difference formula of sine is…

Q: Find the Exact Value of the Expression   sec[cos-1 (√3/2)]=

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

A: The key step to solve this question is use the formula- Cos2x=(1+cos(2x))/2

Q: Use an Addition or Subtraction Formula to simplify the equation. cos θ cos 2θ + sin θ sin 2θ =…

A: Given,

Q: Find the exact value of the expression. sin 12

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Q: Find the exact value of the expression cos (sin 13 COS -

A: GIven: - The expression is, cossin-135-cos-112 To find: - The exact value of the given expression.

Q: Find the exact value of the expression sin-1 √2/2

A: Given: sin-122 We have, sin-122 sinπ4=22⇒π4=sin-122

Q: 13 sin 2

A: We know  arcsin(-x) = -arcsin(x)