Math, asked by bunny171, 1 year ago

que no 23 plsssss it's urgent

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Answered by kavyadeepbhatia
2
Consider LHS (cosecA-sinA)(secA-cosA)(tanA+cotA)
= (1 ÷ sinA - sinA)(1÷cosA-cosA)(1÷cotA + cotA)
= (1-sin²A ÷ sinA)(1-cos²A÷cosA)(1+cot²A÷cotA)
= (cos²A÷sinA)(sin²A÷cosA)(cosec²A÷cotA)
= (cos²A÷sinA)(sin²A÷cosA)(1÷sin²A×(sinA÷cosA))
=1

RHS,
=(1÷tanA)×(1÷cotA)
=(1÷tanA)×tanA
=1

∴LHS=RHS
HENCE PROVED...


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bunny171: you're brilliant!
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