SOLUTION: whats the trig function of 315(degrees) step by step

Question 938125: whats the trig function of 315(degrees) step by step
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Unit Circle...
315 - 360 = -45�
Same as for 45� only in the 4th Quadrant

 

θ	radians	sin θ	cos θ	tan θ

0�	0	0	1	0

30�	π/6	1/2	√3/2	√3/3

45�	π/4	√2/2	√2/2	1

60�	π/3	√3/2	1/2	√3

90�	π/2	1	0	─



(cosx, sinx) Summary Unit Circle

.

 

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