Formula of sin x in the form of sinx and cosx.
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hi
sin x > cos x on the interval 0 x < 2 . From the unit circle we see that sin x and cos x can only have the same value in two places, in x = /4 and x = 5 /4 (45° and 225°). The equation sin x = cos x can also be solved by dividing through by cos x.
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