prove that;-(cosec A-sin A) (sec A-cos A)=1/tan A+cot A
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(cosec A - sinA ) (secA - cosA )= 1/tanA + cotA
LHS = (1/sinA - sinA) (1/cosA - cosA)
(1-sin2A/sinA) (1-cos2A/cosA)
(cos2A/sinA) (sin2A/ codA)
cosA× sinA
RHS = 1/tanA + cotA
(1/sinA/ cosA + cosA / sinA)
(1/ sin2A + cos2A/sinAcosA)
(sinA× cosA/1)
(sinA× cosA)
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