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Natasha2012 [34]
3 years ago
10

Find the exact value cos5pi/6

Mathematics
1 answer:
Lelechka [254]3 years ago
5 0

Answer:

-  \frac{ \sqrt{3} }{2}

Step-by-step explanation:

Unit circle

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2 years ago
Considering only the values of β for which (1+cosβ)(1−cosβ)sinβ is defined, which of the following expressions is equivalent to
just olya [345]

The following expressions (1+cosβ)(1−cosβ)sinβ is equivalent to sin³β

<h3>What are Trigonometric Ratios ?</h3>

In a Right angled triangle , trigonometric ratios can be used to determine the value of angles and sides of the triangle.

The trigonometric expression given in the question is

(1+cosβ)(1−cosβ)sinβ

(a+b)(a-b) = a² - b²

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To know more about Trigonometric Ratio

brainly.com/question/13724581

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7 0
1 year ago
anonymous anonymous 2 years ago Math Help Please!! :) Crystal earns $5.25 per hour mowing lawns. Write a rule to describe how th
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