why is sin(90-θ) = cosθ?
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Look at a right triangle. The side that is “opposite” for theta is “adjacent” for 90-theta, and vice versa.
why is sin(90-θ) = cosθ?
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why is sin(90-θ) = cosθ?
In: 0
Look at a right triangle. The side that is “opposite” for theta is “adjacent” for 90-theta, and vice versa.
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