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Are sin and cos reciprocals of each other? Why?
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Are sin and cos reciprocals of each other? Why?

User Athina
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cosθ = sin (90° – θ) means that if θ is equal to 25 degrees, then cos 25° = sin (90° – 25°) = sin 65°.

User Mmoran
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1 vote
no bc sin:opposite/hypotenuse and cos:adjacent/hypotenuse
User Molasses
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