Solve this question on a paper 7th question
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LHS=√1+cosA/1-cosA
rationalisation
=√(1+cosA)^2/1-cos^2A
=√(1+cosA)^2/sin^2A
=√(1+cosA/sinA)^2
=(1+cosA/sinA)
=1/sinA+cosA/sinA
=cosecA+cotA proved
rationalisation
=√(1+cosA)^2/1-cos^2A
=√(1+cosA)^2/sin^2A
=√(1+cosA/sinA)^2
=(1+cosA/sinA)
=1/sinA+cosA/sinA
=cosecA+cotA proved
Nada1111:
Plz do it on a paper
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I hope you stratified from it
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