what is the value of sin315°?
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Answer: sin 315= - sin 45
Step-by-step explanation:
(a) Since 315 degrees is between 270 degrees and 360 degress, then sin 315 is evaluated in the 4th quadrant, and there is 45 degrees between the terminal arm and the horizontal axis. In the 4th quadrant, sine is negative, so this means that sin 315 = -sin 45. sin pi/3 is in the first quadrant.
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Answer:
hope it will help
Step-by-step explanation:
sin 315° = 1/√2
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