simplify this questoin urgent
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(1-cosA)(1+cosA)(1+cot^2A)
(1-cos^2A)(1+cot^2A)
sin^2A×cosec^2A
sin^2A×1/sin^2A
1
(1-cos^2A)(1+cot^2A)
sin^2A×cosec^2A
sin^2A×1/sin^2A
1
ramuchrvnspc66dz:
thanks
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1 sin square theta × cose square theta
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