In each of the following one of the six trigonometric ratios is given. Find the values of the other trigonometric ratios. COS A =4/5

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asked Feb 14, 2018 in Mathematics by sforrest072 (157,439 points) 61 410 949
In each of the following one of the six trigonometric ratios is given. Find the values of the other trigonometric ratios.

COS A =4/5

1 Answer

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answered Feb 14, 2018 by mdsamim (213,225 points) 5 10 15
selected Feb 14, 2018 by sforrest072
 
Best answer

Let opposite side BC = X.
By applying pythagorn’s theorem, we get

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