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23 June, 13:32

Are sin and cos reciprocals of each other? Why?

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  1. 23 June, 13:44
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    No bc sin:opposite/hypotenuse and cos:adjacent/hypotenuse
  2. 23 June, 13:49
    0
    Cosθ = sin (90° - θ) means that if θ is equal to 25 degrees, then cos 25° = sin (90° - 25°) = sin 65°.
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