if sin teta + sin square teta =1 find cos square +cos four teta
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Hey buddy here is your answer.........
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sinФ + sin² Ф = 1
sinФ = 1 - sin² Ф
sin Ф = cos² Ф
A.T.P,
cos²Ф + 4 cos Ф
⇒ sin Ф + 4cosФ
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