Answer:
c) sin 126°
Step-by-step explanation:
cos(-576°)= -0.80901699437
cos 216°= -0.80901699437
-cos(-36)= -0.80901699437
sin 126°= 0.80901699437
-sin 54°= -0.80901699437
cos 144°= -0.80901699437
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The answer is 42 have a great day.
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