Question

Sin^2 45° _cosec^2 60° +sec^2 30° KA MAN KYA HOGA

Answer 1

sin 45 = 1 / udrt 2
cosec 60 = 2/udrt3
sec 30 = 2/udrt3

sq all terms and anding and subtracting acc. to the ques
1/2 - 4/3 +4/3
= 1/2
= 0.5

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