12. Prove cach sin 0 + 2 cos 0 cos 0 + cos 0 es. a) sin 0 + 3 cos 0 - sin? 0 2 sin a - cos a tan a = 2 sin a hl sin' a 1 sin a

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A: This question is related to algebraic operations, we will solve it using given information.

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Q: HI the answer is inncorrect can you recheck?

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A:

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A: We have compute 2 times 54 that 2×54. Hence, 2×54=108

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A: First 2 step is correct.

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Q: How do you solce part d?

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Q: can you please submit on paper? this way is very confusing. I will upvote after thanks a lot

A: As per bartleby guidelines we only give first question answers. Please repost for other parts.