√( sec^2A + cosec^2A )= tanA + cot A
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√(1/cos²A + 1/sin²A),
√[(sin²A+cos²A)/sin²A.cos²A],
√(1/sin²A.cos²A),
1/sinA. cosA,
(sin²A+cos²A)/sinA.cosA,
sin²A/sinA.cosA + cos²A/sinA.cosA,
sinA/cosA + cosA/sinA,
tanA + cotA,
L.H.S = R.H.S
√[(sin²A+cos²A)/sin²A.cos²A],
√(1/sin²A.cos²A),
1/sinA. cosA,
(sin²A+cos²A)/sinA.cosA,
sin²A/sinA.cosA + cos²A/sinA.cosA,
sinA/cosA + cosA/sinA,
tanA + cotA,
L.H.S = R.H.S
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