Trigonometry

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Hi, this question concerns a right angled triangle. If I know the hypotenuse of the triangle is 16cm and I know the adjacent side to an unknown angle is 14cm which trigonometric ratio would I need to find the unknown angle?

Many thanks

  • Trigonometry -

    cosine is adjacent/hypotenuse
    cos x = 14/16 = 7/8

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