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Use the triangle below to find the following trig ratios. Express your answer as a fraction.

a) sin
b) cos
c) tan

Use the triangle below to find the following trig ratios. Express your answer as a-example-1
User Gutek
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1 Answer

7 votes

Answer:

Explanation:

First we need the length of the hypotenuse.

20^2 + 21^2 = c^2

400 + 441 = c^2

841 = c^2

29 = c

If you are using angle B as your theta (angle from which the relations are formed:

a) sin = O/H = 20/29

b) cos = A/H = 21/29

c) tan = O/A = 20/21

User Marko E
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