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sin(90-theta)/1-cos(90-theta)=1+sin theta/cos theta

Yugandhar , 8 Years ago
Grade 10
anser 1 Answers
Vikas TU

Last Activity: 8 Years ago

Solve forst L.H.S taht is:
sin(90-theta)/1-cos(90-theta) = > (1+sinthetha)/costhetha
Now solve it with the R.H.S once,
Therfore,
(1+sintheta)/costheta(1+sinthetha)/costhetha  =   
on solving we get, sinthetha^2 + costhetha^2 = 1 as R.H.S which would finally prove the existence.

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