GisellyC GisellyC

19-01-2020
Mathematics

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

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orgasmatron orgasmatron

19-01-2020

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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