1-cosoProve the identity cosec 0 - cote = H .3.+cose – InterviewSolution

1.	1-cosoProve the identity cosec 0 - cote = H .3.+cose
Answer» RHS√1-cosA/1+cosAby 1-cosA multiply in numerator and denominator√(1-cosA)(1-cosA)/(1+cosA)(1-cosA)=√(1-cosA)^2/1-cos^2A= √(1-cosA)^2/sin^2A=1-cosA/sinA=1/sinA - cosA/sinA = cosecA - cotA =LHSproved

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