化简:根号(1-tanθ)cos²θ+(1+cotθ)sin²θ化简根号(1-tanθ)cos²θ+(1+cotθ)sin²θ

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化简:根号(1-tanθ)cos²θ+(1+cotθ)sin²θ化简根号(1-tanθ)cos²θ+(1+cotθ)sin²θ

化简:根号(1-tanθ)cos²θ+(1+cotθ)sin²θ化简根号(1-tanθ)cos²θ+(1+cotθ)sin²θ
化简:根号(1-tanθ)cos²θ+(1+cotθ)sin²θ
化简
根号(1-tanθ)cos²θ+(1+cotθ)sin²θ

化简:根号(1-tanθ)cos²θ+(1+cotθ)sin²θ化简根号(1-tanθ)cos²θ+(1+cotθ)sin²θ
(1-tanθ)cos²θ+(1+cotθ)sin²θ =cos²θ-sinθcosθ+sin²θ+sinθcosθ=1

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