3(a)Trigonometric Identities EquationsMedium3 markscosθ1−cosθ≡tanθsinθProve the identity above.PenEraserUndoRedoClearDraw with the mouse or a finger.Grade answerSolutionGrading criteria
3(b)Trigonometric Identities EquationsHard4 markscosθ2−2cosθ=tanθHence, solve the equation above for 0∘≤θ≤360∘.AnswerTypeWriteMath0 wordsGrade answerSolutionGrading criteria