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Principle Of Mathematical Induction

Question

Find the values of $sin open parentheses straight x over 2 close parentheses comma cos open parentheses straight x over 2 close parentheses comma tan open parentheses straight x over 2 close parentheses$ in the following case:

$tanx equals 2 square root of 2 comma straight x$ lies in quadrant III.

Solution

Solution not provided.
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