6. where a is in quadrant II and tan( B) = 10 Given cos(a) 3 where B is in quadrant III, what is sin (a +B)? 4. O A. 0 B. 25 о с. 7 25 O D. 1

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A: Since you have posted multiple question in this question which are not interlinked so i have solved…

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A: Topic - integration

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A: Given that: cos-π4

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A: Explanation of the answer is as follows

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A: Given: To find: The value of the integral.

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Q: Which of the following identities is FALSE? O tan? 0+1= csc2 e CSC O tan 0 sin 0 cos e O sin 0+ cos…

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Q: 5 3元 1.) If cos(0): = and 2 <0≤2л, find the exact values of sin (0) and sin (20) using identities…

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A: Solution: The objective is to evaluate the given equation

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Q: 3x 1. Determine the exact value of sin(a - b), if cosa = where ≤ ≤ 2 and cos b where ≤ b ≤n. 13

A: We will use simple trigonometric identities to solve this question.