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11-01-2018
Mathematics

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What trigonometric function has the same value as sin 75?

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24-01-2018

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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