Answer:
sin(90°) = 1
cos(180°) = -1
sin(40)= .643
cos(245°)= -.423
Step-by-step explanation:
cos is the x value and sin is the y value.
Based on the information given regarding the trigonometry, it should be noted that the values of the functions will be:
It should be noted that there are six functions of an angle that are commonly used in trigonometry.
They're sine, cosine, tangent, cotangent, secant, and cosecant. It should be noted that the value of cos 180° can be found by constructing an angle of 180° with the x axis and then finding the coordinates of the corresponding points.
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