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Mathematics 8 Online
OpenStudy (anonymous):

Look at the triangle. What is the value of cos x°? 8 ÷ 17 17 ÷ 8 15 ÷ 17 8 ÷ 15

OpenStudy (anonymous):

OpenStudy (anonymous):

cosx=15/17 (adjacent/hypotenuse)

OpenStudy (anonymous):

explain please.

OpenStudy (anonymous):

A right triangle has three sides. the cosine = adjacent side/ hypotenuse. The hypotenuse is the longest side of the triangle, which is on the opposite side of the right angle of the triangle.

OpenStudy (anonymous):

sine on the other hand = opposite angle/hypotenuse. By opposite I mean "opposite side to the angle" were dealing with.

OpenStudy (anonymous):

okay thanks can you help me on one more

OpenStudy (anonymous):

Look at the figure.If tan x°= a divided by 4 and cos x°=4 divided by b what is the value of sin x°? sin x° = 4b sin x°=a divided by b sin x ̊= 4a sin x°=b divided by a

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