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Use the t-formulas to prove the following: tan(1/2 x + pi/4) + tan(1/2 x - pi/4) = 2tanx

Use the t-formulas to prove the following: tan(1/2 x + pi/4) + tan(1/2 x - pi/4) = 2tanx
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Use the t-formulas to prove the following:
tan(1/2 x + pi/4) + tan(1/2 x - pi/4) = 2tanx

Use the t-formulas to prove the following: tan(1/2 x + pi/4) + tan(1/2 x - pi/4) = 2tanx-example-1
User Zaxonov
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Answer:

m

Explanation:

User Miroslav Popovic
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