Math, asked by MahwishZubair, 1 year ago

express the following in term of 0 and 45 .cosec 68 + cot72

Answers

Answered by MathBrainbox

2

cosec 68 = sec (90-68) = sec 22

cot 72 = tan (90-72) = tan 18

so, cosec 68 + cot 72
= sec 22 + tan 18

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