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25 May, 02:49

What trigonometric function has the same value as sin 75?

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  1. 25 May, 03:09
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    Cosine and Sine are related by the formula cos (x) = sin (x+90). Setting x+90 equal to 75 results in x=-15, Therefore, cos (-15) = sin (75). Since cos is an even function, cos (15) = cos (-15) = sin (75).
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