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| Trigonometry
Functions |
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| Functions of
angles |
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| side opposite
/ hypotenuse = sine |
side adjacent / side opposite = cotangent |
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| side adjacent
/ hypotenuse = cosine |
hypotenuse / side adjacent = secant |
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| side opposite
/ side adjacent = tangent |
hypotenuse / side opposite = cosecant |
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| Finding the
length of sides in right angle triangles when an angle and side are known |
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| Length of side
opposite = |
hypotenuse x sine |
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hypotenuse / cosecant |
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side adjacent x tangent |
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side adjacent / cotangent |
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| Length of side adjacent = |
hypotenuse x cosine |
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hypotenuse / secant |
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side opposite x cotangent |
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side opposite / tangent |
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| Length of hypotenuse = |
side opposite x cosecant |
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side opposite / sine |
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side adjacent x secant |
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side adjacent / cosine |
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