[\( \left.\tan 4 x=\frac{4 \tan x\left(1-\tan ^{2} x\right)}{1-6 \tan ^{2} x+\tan 4 x}\right] \)

Prove that:

[\( \left.\tan 4 x=\frac{4 \tan x\left(1-\tan ^{2} x\right)}{1-6 \tan ^{2} x+\tan 4 x}\right] \)

Monjur Alahi

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2025-01-04 04:42

0 Answers

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