The cosine of an angle is defined as the sine of the complementary angle. The complementary angle equals the given angle subtracted from a right angle, 90°. For instance, if the angle is 30°, then its complement is 60°. Generally, for any angle θ, cos θ = sin (90° – θ).
Answer:
Can it be written properly?
X=-18 sooooo its just a line across the -18 x line i assume?
Answer:
x=2
Step-by-step explanation:
Well, if you provide a chart I might be able to help you.