Sin² A + Sin²A.tan² A=tan² A
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sin²A(1+tan²A)
sin²A(1+sin²A/cos²A)
sin²A(cos²A+sin²A)/cos²A
sin²A/cos²A
tan²A proved it
sin²A(1+sin²A/cos²A)
sin²A(cos²A+sin²A)/cos²A
sin²A/cos²A
tan²A proved it
Answered by
2
I hope u understand..............
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