7sqrt{3} = sqrt{196 - x^2}, x = 14cos( heta) Use the trigonometric substitution to write the algebraic equation as a trigonometric equation of heta, where -frac{pi}{2} < heta < frac{pi}{2}. Find sin( heta) and cos( heta). sin( heta) = cos( heta) =
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Step 1: Given the equation 7√3 = √(196 - x^2) and x = 14cos(θ), we can substitute x into the equation to get: 7√3 = √(196 - (14cos(θ))^2) Show more…
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