Math, asked by suhaasreddy4, 1 year ago

what is the value of sin 48.sec 42+ cos 48 .cosec 42

Answers

Answered by AbhiahekSingh

0

sin( 90 - 48)*sec42 + cos(90-48)*cosec42
cos42*sec42 + sin42*cosec42
1 + 1 = 2 [ we know that sin * cosec = 1 and cos * sec 1 ]

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