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Use double-angle identities to write each expression, using trigonometric functions of θ instead of 4θ . tan 4θ
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Use double-angle identities to write each expression, using trigonometric functions of θ instead of 4θ .

tan 4θ

User Yamiko
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Answer:

tan4θ=(4tanθ−4tan^3θ)/(1−6tan^2θ+tan^4θ)

Explanation:

User Overbeeke
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