Math, asked by vasantibharat3, 1 year ago

solve the equation cos^2/cot^2-cos^2=3

JinKazama1: Value of angle is 60° and -60° for pricipal angles

JinKazama1: Is this correct?

vasantibharat3: solve the equation

Answers

Answered by JinKazama1

Final Answer : 60° if angle is acute.

For Calculation see pic

Attachments:

vasantibharat3: I can't understand the third step

JinKazama1: cot^2 (a) / cos^2(a) = sin^2(a)

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