Math, asked by Vkowshik, 1 year ago

evaluate please urgently

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Answered by sizaB

sec 75 degree = cosec 15 degree [sec 90 degree- theta = cosec 90 degree]
cosec 15 degree=1/sin 15 degree
therefore sin 15 degree sec 75 degree = sin 15 degree * 1/sin 15 degree = 1
The answer is 1

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