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Question

simplify the expression by using a double angle formula or a half angle formula:
a. 2 tan 7 degrees /1-tan^2 7 degrees


b.2 tan 7 theta / 1-tan^2 7 theta
11 years ago

Answers

Steve
recall that tan(2x) = 2tanx/(1-tan^2 x)
11 years ago

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