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

Answered: sin (x) = -0.6. What is cos (90° - x)?…

Why does cos(90 - x) = sin(x) and sin(90 - x) = cos(x)?

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Proof of sin(90-x) = cos x and cos(90-x) = sin x