Compute the indicated quantity using the following data. 15 sin a = where <α<π. 2 3 cos B = - where z < ß < * 2 cos 0 = 5 where -27 < 0 < - 2 (a) sin(a + B) (b) cos(a + B)

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A: Recall the following facts.

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A: As per our policy, we are allowed to attempt only first question. Kindly post remaining question…

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A: Since you have posted multiple questions i can do first question as per our company guidelines…

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A: Below given clear explanation .Have a look in hand written solution below

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Q: Find the absolute extremum point(s) of f(x) = e1−cos x  on [−π/2, π), if any.

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Q: 2. Evaluate the definite integral f²n 15 sin*(3x) cos(3x) dx

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Q: nd the definite intergral upper 1 lower 1/2 sin-1(x)/ square toot 1-x2 dx

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Q: 1. Determine the relative extrema of the function y = 2 cos x + sin 2x on the interval (0, 2Tt). %3D

A: To find the extrema of the function

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Q: Find the critical numbers of the following functions. a. f ( x ) = 2 cos x + sin 2 x b. f ( x ) =…

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Q: Determine the ABSOLUTE EXTREME values of the function y = cos x + sin x, over the interval 0<x < 2T

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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.