ques number 4 ......
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cos(90-theta)=sin theta.....cot theta=cos theta/sin theta
sin theta*cos theta/cos theta/sin theta....
=sin theta*cos theta*sin theta/cost theta
=sin theta*sin theta
=sin^2theta....
this is your answer
sin theta*cos theta/cos theta/sin theta....
=sin theta*cos theta*sin theta/cost theta
=sin theta*sin theta
=sin^2theta....
this is your answer
Answered by
6
here ur answer is ready, ask me more questions
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deepalijain2003:
thanku so much
always welcome brother
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