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31-05-2018
Mathematics

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19.what are the ratios dor sin a and cos a? the figure not drawn to scale

20.Using a trigonometric ratio what is the value of x rounded to the nearest teth/the figure is not drawn to scale

IF YOU DO NOT KNOW DONT ANSWER19what are the ratios dor sin a and cos a the figure not drawn to scale20Using a trigonometric ratio what is the value of x rounde class=

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01-06-2018

19). sin(a) = 35/37
cos(a) = 12/37
Third choice.

20).
tangent(20°) = 10/x
x = 10/tangent(20°) = 10/0.364 = 27.475
Rounded to the nearest tenth: x = 27.5

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