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Mathematics
Trigonometry
Trigonometric Identities
How can you prove the trigonometric identity 1+2cot^(2)theta +cot^(4)theta =csc^(4)theta step by step?
1 answer
1 + 2cot^2θ + cot^4θ = (1 + cot^2θ)^2
does this look familiar now?
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