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Prove thatsin theta(1+tantheta)+costheta(1+cottheta)=sectheta + cosectheta

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Prove thatsin theta(1+tantheta)+costheta(1+cottheta)=sectheta + cosectheta

Posted by Humayun Hassan 7 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Payal Jena 7 years, 1 month ago

LHS =sin theta (1+sin theta /cos theta) +cos theta (1+cos theta /sin theta) =sin theta /cos theta (sin theta +cos theta) +cos theta /sin theta (sin theta +costheta) =( sin theta +costheta) (sin theta /cos theta +cos theta /sin theta) =sin theta +costheta /sin theta *costheta) =1/cos theta +1/sin theta =sec theta+cosec theta=RHS(proved) Hope this will help you ☺️

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Avika Chaudhary 7 years, 1 month ago

Brain is the part of our body inside our head that controls our thoughts feelings and movements.???

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Sohail Khan 7 years, 1 month ago

What is brain

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CBSE > Class 10 > Mathematics