Find the value of (1 + cos thetha) (1 – cos thetha ) cosec2 thetha
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LHS = `sqrt((1-cos theta)/(1+ cos theta))`
=`sqrt(((1-cos theta))/((1+cos theta)) xx ((1- cos theta))/((1 - cos theta))`
=`sqrt((1-cos theta)^2 / (1-cos^2 theta))`
=`sqrt((1-cos theta)^2)/(sin^2 theta)`
=`(1-cos theta)/sin theta`
=`1/sin theta - cos theta/ sin theta`
=( − cot )
= RHS
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Step-by-step explanation:
LHS =
1+cosθ
1−cosθ
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