(cos4θ+cos2θ/cos4θ-cos2θ) =
cot6θcot2θ
-cot3θcotθ
-1
-2cot3θcotθ...
Mathematics, 01.04.2021 21:50 surfskate
(cos4θ+cos2θ/cos4θ-cos2θ) =
cot6θcot2θ
-cot3θcotθ
-1
-2cot3θcotθ
Answers: 1
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