Question: Explain why sin? (0) + cos? (0) = 1. Explain how it is possible to have sin(0) 0. For which values of 0 between 0

Explain why sin? (0) + cos? (0) = 1. Explain how it is possible to have sin(0) 0. For which values of 0 between 0 and 2It does this happen? Duncan says that for any real number 0, tan(0) = tan(It - 0). Is he correct? Explain how you know

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