Let  cos x = 1/ sqrt 17  with x in QIV and find the following. cot 2x

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A: See attached file for a step by step explanation to find the required expression values.

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A: Cot(x)= Cos(x)/Sin(x)

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A: Since you have asked multiple questions in single request  so we  will be answering only first…

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A:

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A: We will solve the following.

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A: We have to verify the identity: cot θ+cosec θtan θ-sin θ=sec θ-cos θ We know that tan θ=sin θcos…

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A:

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A: dear student we are allow to do one question at a time if you need rest of answere then please…

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A: To find the root of the equation, we need to put our equation equal to 0. Put F(x)=0

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A: We replace cotx by cosx/sinx

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A: Using double angle identities : sin(2t) =2 sin(t) cos(t) cos(2t) = cos^2(t)- sin^2(t) tan(2t) =…

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A: I am attaching image so that you understand each and every step.

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A: The given expression is tanπ12.

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Q: Find the exact value of the following expression. Do not use a calculator to enter a decimal…

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A: Topic-trigonometry

Q: II. Verify the following trigonometric identit 7. sin 0 csc 0 cot 0 = 1 tan 0

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A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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A: Given that          tant = -125  and      sint<0                           tant = -125…