cos(90-x)=sin(x) - Trigonometry

Sine and cosine are cofunctions of each other. The cosine of 90-x should be the same as the sine of x. This implies that graph of sine function is the same as shifting the graph of the cosine

How to draw the graph of sinx, sin (x+90), sin (x-90) - Quora

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cos(90-x)=sin(x) - Trigonometry

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If xsin(90^° theta) cot(90^° theta) = cos(90^° theta), then x is