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Month: January 2019
sec squared theta minus sin squared theta minus two sine power four/ 2 cos power 4 – cos squared = 1
(sin35/cos55)²+(cos55/sin35)²-2cos60
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1/1-sin theta + 1/1+sin theta = 2 sec^2 theta
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Find the value of tan square 10 – cot square 80
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