i need help what is the solution to (sinθ x cotθ)^2 + (cosθ x tanθ)^2?
= (sinθ • cotθ)² + (cosθ • tanθ)²
= (sin²θ • cot²θ) + (cos²θ • tan²θ)
= (sin²θ • cos²θ ⁄ sin²θ) + (cos²θ • sin²θ ⁄ cos²θ)
= cos²θ + sin²θ
= 1 ... identity: cos²A + sin²A = 1
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= (sinθ • cotθ)² + (cosθ • tanθ)²
= (sin²θ • cot²θ) + (cos²θ • tan²θ)
= (sin²θ • cos²θ ⁄ sin²θ) + (cos²θ • sin²θ ⁄ cos²θ)
= cos²θ + sin²θ
= 1 ... identity: cos²A + sin²A = 1