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Vilka [71]
3 years ago
5

Cos 0° + cos 1° + cos2° +cos3° +...+cos 179° + cos 180°.

Mathematics
1 answer:
sertanlavr [38]3 years ago
4 0

Answer:

0

Step-by-step explanation:

identity:

cos(180-x) = -cos(x)

cos(0)= -cos(180)

cos(0) + cos(180) = 0

cos(1)= -cos(179)

cos(1)+cos(179) = 0

...

all sum to zero

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We have given that,

A pool of possible candidates for a student council consists of 14 freshmen and 8 software.

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<h3>What is the combination?</h3>

_n C_r=\frac{n !}{r ! (n-r) !}_n C_r = number of combinations\\\n = total number of objects in the set\\\r = number of choosing objects from the set

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