1.

If cot theta = 1 ; find the value of : 5 tan to the power 2 theta + 2 sin to the power 2 theta - 3

Answer» COT = 1

cos / sin = 1/1

sin = 1

tan = 1/ cot = 1/1 = 1

now putting VALUE in eq.

5tan {}^{2} + 2sin {}^{2} - 3

5(1) {}^{2} + 2(1) {}^{2} - 3

7 - 3 = 4


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