1+ tan ^2 A / 1+ cot ^ 2 A = sin ^2 / cos ^2 A
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Step-by-step explanation:
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Step-by-step explanation:
1+tan^2A= Sec^2A.
1+cot^2A= cosec^2A
( from formula ☝️)
sec^2A/cosec^2A= 1/cos^2A ×sin^2A/1
sin^2A/cos^2A.
copy down in note book you will understand.
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