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CaHeK987 [17]
3 years ago
9

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

Mathematics
1 answer:
postnew [5]3 years ago
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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eimsori [14]

Answer: 1/24


Step-by-step explanation:

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turn 12 into 12/1 and then just divide.

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3 years ago
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Joseph built a sandbox in his backyard that is 2 meters wide, 4 meters long, and 2 meters tall. What volume of sand does he need
Wittaler [7]

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4 0
2 years ago
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The pentagon shown could be reflected over which line to be carried onto itself?
Svetach [21]

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3 0
3 years ago
The surface area of a sphere with a diameter of 12 units is:
svetlana [45]

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4 0
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