Find the value of cos square 32+cos square 58/sec square 50-cot square 40
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Step-by-step explanation:
cos²32 +cos²58/sec²50-cot²40
⇒cos²(90-58)+cos²58/sec²(90-40)-cot²40
⇒sin²58+ cos²58÷(cosec²40-cot²40)
⇒sin²58+cos²58÷1
⇒answer=1
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