2 years ago

Write the expression as the sin or cosine of an angle. sin pi/3 cos pi/7 - sin pi/7 cos pi/3

1 answer:

5 0

sin(4π21). Explanation: Notice that this fits the form of the sine subtraction formula: sin(A−B)=sin(A)cos(B)−cos(A)sin(B).

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The square root of three is irrational.

Step-by-step explanation:

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Step-by-step explanation:

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6x3 + 8x2 – 2x + 4 and 10x3 + x2 + 11x + 9

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