If sinA + sinsquareA = 1 then prove cossquareA + cos raise to power4 A=1
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sinA + sin²A = 1
sin A= 1 - sin²A
sinA = cos² A
ur question is cos²A + cos∧4
put value
cos²A= sin A
sin A + sin²A = 1 true ans and i hope u will satisfy with this it is an easy and simple trik to solve it :)
sin A= 1 - sin²A
sinA = cos² A
ur question is cos²A + cos∧4
put value
cos²A= sin A
sin A + sin²A = 1 true ans and i hope u will satisfy with this it is an easy and simple trik to solve it :)
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