Rewrite cot(cos^-1 6u) as an algebraic expression in

Carson Neuville

Carson Neuville

Answered question

2022-10-02

Rewrite cot(cos^-1 6u) as an algebraic expression in u.

Answer & Explanation

madeleinejames20

madeleinejames20

Skilled2023-06-06Added 165 answers

To rewrite cot(cos1(6u)) as an algebraic expression in u, we can use the trigonometric identities to simplify the expression.
Let's begin by considering the expression cos1(6u). The inverse cosine function returns an angle whose cosine is equal to 6u. We can denote this angle as θ, such that cos(θ)=6u.
Now, we can rewrite cot(cos1(6u)) using the definition of the cotangent function:
cot(θ)=cos(θ)sin(θ)
Substituting θ with cos1(6u), we have:
cot(cos1(6u))=cos(cos1(6u))sin(cos1(6u))
Using the identity sin2(θ)+cos2(θ)=1, we can find the value of sin(cos1(6u)) by using the Pythagorean identity:
sin(cos1(6u))=1cos2(cos1(6u))
Since cos(cos1(6u))=6u, we can substitute this back into the expression:
sin(cos1(6u))=1(6u)2
Now we have both cos(cos1(6u)) and sin(cos1(6u)) in terms of u. Substituting these values back into the expression, we get:
cot(cos1(6u))=6u1(6u)2
Therefore, the algebraic expression equivalent to cot(cos1(6u)) is 6u1(6u)2.

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