Math, asked by samyuktha200420, 10 months ago

1) cosce a*cos 43 = 1 find a

Answers

Answered by wxyz50

1

casec a*cos43= 1

cosec a = 1/cos43

cosec a = sec 43

cosec a = sec( 90-47)

cosec a = cosec 47

a = 47

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