Simplify (1/cosθ+sinθ/cosθ)(1-sinθ/cosθ.
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Step-by-step explanation:
(1/cosθ+sinθ/cosθ)(1-sinθ/cosθ)
=(1+sinθ/cosθ)(1-sinθ/cosθ)
=(1-sin²θ/cosθ)
=cos²θ/cosθ
=cosθ
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