in the above expression, we get;
![\cos \left(2 \cos ^{-1} x\right)=2[cos(cos^{-1}x)]^2-1](/tpl/images/0567/3424/a876a.png)
Write the expression as an equivalent algebraic expression involving only x.
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Mathematics, 27.03.2020 16:03 MGA20078
Write the expression as an equivalent algebraic expression involving only x.
Answers: 1
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