Question

please someone answer !!!

sin(tanθ ÷ 1 -cosθ) + (tan²θ - sec²θ)

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Answer 1

Answer:

Explanation:

sub: x = a*tan(θ) identity: 1 + tan²θ = sec²θ. Click again to see term. Tap again to ... -factor out 1 sin -replace remaining sin with: sin²x = 1 − cos²x -let u = cosx.

Answer 2

Answer:

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