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Mathematics, 25.06.2021 21:20 jenescobedo

Write the expression as either the sine, cosine, or tangent of a single angle. cos(pi/5) cos(pi/7)+sin(pi/5)sin (pi/7)​

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Write the expression as either the sine, cosine, or tangent of a single angle. cos(pi/5) cos(pi/7)+s...
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