Question: please help me solve the part 6 and 7 questions 6. If you forget the expression that results when differentiating the tangent function, explain how

please help me solve the part 6 and 7 questions
6. If you forget the expression that results when differentiating the tangent function, explain how you can derive this derivative using an identity. [C,4] 7. Prove that y=sec(x)+tan(x) is always increasing on the interval (2,2)[3T]
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