Evaluate 2 V1+ cos zdx Hint: think of creative ways to use identities. Select the correct answer. V2-2 O None of these. O 2-V2 O v2 + 2 0 1

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A: Topic :- Triangle

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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: Here, we can solve it by taking the limit of individual terms.

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Q: 45. Give an example of values a, b such that (a) cos(a + b) + cos a + cos b (b) cos cos a 2.

A: (a)

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Q: Frore the folt ow ing identities

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Q: MHF4U 5. Name: Maryan Due Date: July 20th, 2022 @ 12:00 Noor Suppose that 2 cos²x + 4 sin x cos x =…

A: I have given the answer in the next step. Hope you understand that