Context for question 5x=2θ−tan2θ,y=6θ+2ln(cos2θ),The parametric equations of a curve are given above, for 0≤θ≤41π.
5(a)Implicit Parametric Inverse DifferentiationHard6 marksFind an expression for dxdy in terms of tan2θ.WorkingTypeWriteMath0 wordsdxdy=Grade answerSolutionGrading criteria
5(b)Implicit Parametric Inverse DifferentiationMedium4 marksFind the exact coordinates of the point on the curve at which the gradient of the tangent is equal to −1.WorkingTypeWriteMath0 wordsTypeWriteMath0 wordsGrade answerSolutionGrading criteria