(cotx +cosec x-1) /cotx- cosecx+1= 1+cosx/sinx
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(Cot x + cosec x -1)/( cot x - cosec x +1)
{Cot x + cosec x - (cosec^2 (x) - cot ^2 (x)}/(cot x - cosec x +1) since cosec^2 (x) = 1+ cot^2 (x)
{ (cot x + cosec x)-(cosec x + cot x)(cosec x -cot x)}/(cot x - cosec x +1)
={( cot x + cosec x)(1-cosec x +cot x)}/(cot x - cosec x +1)
Step-by-step explanation:
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