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Evaluate : sin 18°/cos 72° find the value and plizzzskqdnwk
Dear Studentsin 18°/cos 72°To simplify this,convert the sin function into cos functionWe know that,18° is written as 90° - 72°,sin 18°= cos 72°.= sin (90° - 18°) /cos 72°Substitute the value, to simplify this equation= cos 72° /cos 72°= 1Thanks
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