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dlinn [17]
3 years ago
11

Simplify as far as possible.13cos (180° + x)sin (360° - X)sin (360° + x)cos (180° - x)​

Mathematics
1 answer:
KengaRu [80]3 years ago
6 0

Answer:

See below

Step-by-step explanation:

cos (180 + x) = - cos x

sin (360 + x) = sin x

sin 360 - x) = -sin x

cos (180 - x) = - cos x

3cos (180° + x)sin (360° - X) = -3cos x (- sin x) = 3 cosx sinx

sin (360° + x)cos (180° - x)​ = sin x (- cos x) = -sinx cosx

3cos (180° + x)sin (360° - X)sin (360° + x)cos (180° - x)​

= 3 cosx sinx (-sinx cosx) = -3 (sin x)^2 (cos x)^2

I am not sure what the question really is, but hopefully the above can steer you in the right direction.

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1 year ago
suppose six of these people are men, and the other six are women. in how many ways can they join hands for a circle dance, assum
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Twelve people join hands for a circle dance.In how many ways can they do this? Suppose six of these people are men, and the other six are women. In how many ways can they join hands for a circle dance, assuming they alternate in gender around the circle

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Since the circle can be rotated, the number of ways to arrange a distinct number of n objects in a circle will be (n−1)!.

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