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Find sin15^@ ,cos15^@ ,tan15^@,hence eva...

Find `sin15^@ ,cos15^@ ,tan15^@`,hence evaluate `cot75^@ +tan75^@ `.

Text Solution

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The correct Answer is:
`(sqrt3 -1)/(2sqrt2),(sqrt3 +1)/(2sqrt2),(sqrt3 -1)/(sqrt3 +1),4`
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