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The lecture Differentiation of Trigonometric Functions: Exercise 4 by Batool Akmal is from the course Differentiation of Trigonometric Functions.
What is the differentiation of y = [1 + 2sin(x)] / [2  sin(x)] ?
What is the derivative of y = [1  cos(x)] / [1  sin(x)] ?
Which of the following choices for y gives dy/dx = cosec²(x) ?
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