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Express the following as an algebraic function of x.sin(arctan(2x) - arccos(2x))

Express the following as an algebraic function of x.sin(arctan(2x) - arccos(2x))-example-1
User Only You
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1 Answer

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19 votes

In the case of a right triangle


\tan (\theta)=(O)/(A),\cos \theta=(A)/(H)

Then,


\begin{gathered} \Rightarrow\theta=\arctan ((O)/(A)) \\ \text{and} \\ \theta=\arccos ((A)/(H)) \end{gathered}

Therefore, in a diagram,

User Gyhth
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