Question

90 और
15
+
यदिsini-1.तो cosका मान जात करे।​

Answer 1

Answer:

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Answer 2

Answer:$Sin^2 0 + cos ^2 0 = 1...$ Sin 90 =1 = cos 0 Sin 0 = 0 = cos 90 Sin 0=cos (90-0)0 STANDS FOR THITA...