Find the exact value of the following expression. 3x sin sin Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. sin 3x sin (Simplify your answer. Type an exact answer, using x as needed. Use integers or fractions for any numbers in the expression.) B. The expression is undefined.

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A: Given that: sin2π6+cos2π3

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A: We have to simplify

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A: Our Aim is to find the value of x in the given triangle:-

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A: Using identity,                         sin2x+cos2x=1

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A: The sine of an angle is the ratio of the opposite to hypotenuse

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

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A: We can solve both the question using the properties of trigonometry as below (1+cosα)(1-cosα)

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A: secθ=1-tan2θ cos x = 1/ sec x   sin x = 1-cos2x

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A: You must have an idea about the inverse trigonometric functions.

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A: Definition used -  Value of trigonometric ratios-                          sin (30°)=…

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A: The given expression is : sin2 cos-1-35 To find the exact value of the expression.

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A: Consider the expression  8−sinx

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.