(1-sin^6θ-cos^6θ)/(1-sin^4θ-cos^4θ)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 13:48:40
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(1-sin^6θ-cos^6θ)/(1-sin^4θ-cos^4θ)
若sinθ+sin^2θ=1,则cos^2θ+cos^4θ+cos^6θ
已知cosθ+cosθ^2=1,则sinθ^2+sinθ^6+sinθ^8=
已知cosθ+cosθ=1,则sinθ+sin∧6θ+sin∧8θ=
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设cosθ+cos^2θ=1,则sin^2θ+sin^6θ+sin^8θ的值为
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化简1+cosθ-sinθ化简(1+cosθ-sinθ)/(1-cosθ-sinθ)+(1-cosθ-sinθ)/(1+cosθ-sinθ)(1+cosθ-sinθ)/(1-cosθ-sinθ)+(1-cosθ-sinθ)/(1+cosθ-sinθ)
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