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lawyer [7]
3 years ago
12

Find the exact value of sin ( 7 π 4 ) using reference angles

Mathematics
1 answer:
Firdavs [7]3 years ago
3 0

Answer:

-1/root2

Step-by-step explanation:

7pi/4 radians is the same as -pi/4 radians

sin(-pi/4) is -sin(pi/4) = -1/root2

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