Anterpal Rangi
Answers!
Anterpal Rangi
Feb. 23, 2019, 8:41 p.m.
Cot^2 theta_1/sin^2 theta
ans:- cot square theta =cos square theta/sin square theta
cos^2 theta/sin^2 theta-1/sin^2 theta
cos^2 theta_1/sin^2 theta
(cos^2-1= sin^2 theta)
now,sin^ theta/sin^ theta
both cancelled out
hence we get 1
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Anterpal Rangi
Cot^2 theta_1/sin^2 theta
ans:- cot square theta =cos square theta/sin square theta
cos^2 theta/sin^2 theta-1/sin^2 theta
cos^2 theta_1/sin^2 theta
(cos^2-1= sin^2 theta)
now,sin^ theta/sin^ theta
both cancelled out
hence we get 1
Comment
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