Math, asked by Tasneem024, 1 year ago

if sec 3thita =cosec2thita and 3thita is a positive acute angle,then find the value of thita

Answers

Answered by arnab352
5
sec 3theta=cosec 2 theta
or, sec 3theta=sec (90-2theta)
or, 3theta=90-2theta
or, 5theta=90
or, theta=18
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