What is the 9th term in the sequence 2, -6, 18, -54, ...?
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The first trigonometric expression cot x and sin x in terms of the second expression is one over tan x and one over cosec x.
<h3>What is trigonometry?</h3>Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.
Write the first trigonometric expression in terms of the second expression.
The cotangent can be written as
And the sine can be written as
More about the trigonometry link is given below.
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