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Akimi4 [234]
3 years ago
13

Evaluate csc(–600°) trionometry

Mathematics
1 answer:
True [87]3 years ago
7 0

Answer:  \bold{csc\ (-600^o)=\dfrac{2\sqrt3}{3}}

<u>Step-by-step explanation:</u>

csc (-600°)

First, find a coterminal angle on the unit circle:

-600 + 360 = -240

                      -240 + 360 = 120

Next, look at the Unit Circle to find the sin (120°)

sin (120°) = √3/2

Lastly, csc is the reciprocal of sin

csc (120°) = 2/√3

Rationalize the denominator to get: (2√3)/3

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A mean is an arithmetic average of a set of observations. The score that Taylor needs to make in her eleventh test for the average to be 87 is 93.

<h3>What is Mean?</h3>

A mean is an arithmetic average of a set of observations. it is given by the formula,

Mean = (Sum of observations)/Number of observations

The score earned by Taylor in her first 10 test are 78, 92, 98, 87, 86, 72, 92, 81, 86, 92. Also, she wants the average to be 87, therefore, we can write,

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Learn more about Mean:

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