How would you know when to use sine, cosine, tangent?
Stacey Warren - Expert brainly.com
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Gah I give up
Sines, cosines and tangents can be used to find angles and sides of triangles.
What'st he difference though?
For me they just give me a triangle and ask you to solve for x
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The cosine (often abbreviated "cos") is the ratio of the length of the side adjacent to the angle to the length of the hypotenuse. And the tangent (often abbreviated "tan") is the ratio of the length of the side opposite the angle to the length of the side adjacent.
http://math.stackexchange.com/questions/676242/when-to-use-sine-vs-cosine-vs-tangent this might help you
So it depends on the sides they give you and which one you need to solve?
Yes exactly. Depending on which side you are missing and which sides they tell you the lengths of, you will use sine, cosine, or tangent