tan (x) sin (x) + cos (x) = sec (x)
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sinx/cosx*sinx + cosx
=sinx/cosx*sinx + cos²x
=now sinx +cos²x= sec*cosx
=sin²x + cos²x = 1/cosx *cosx
=sin²x +cos²x =1
LHS = RHS
Answered by
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Answer:
sin²x +cos²x =1
Step-by-step explanation:
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