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

User Warunanc
by
7.9k points

1 Answer

1 vote

Answer:

-1/root2

Explanation:

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

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

User Vbakke
by
8.1k points
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