Differentiating Trigonometric Functions:
The process of finding derivatives of trigonometric functions.
Differentiating Trigonometric Functions Sample Questions:
Question 1: Find the first derivative of y,
(a) sin^2x
(b) -sin^2x
(c) cos^2x
(d) None
Answer: (b)
Explanation:
Question 2: Find dy/dx,
Answer: (c)
Explanation:
Question 3:
Answer: (a)
Explanation:
Question 4:
Answer: (d)
Explanation:
Question 5: Which of the following is correct?
(a) sin(x±y) = sinx.cosy ± cosx.siny
(b) sin(x±y) = sinx.siny ± cosx.cosy
(c) Both
(d) None
Answer: (a)
Explanation: The sum and difference of two angels.
Question 6:
Answer: (a)
Explanation:
Question 7:
Answer: (a)
Explanation:
Question 8: Which is true for cosec^-1x ?
Answer: (c)
Explanation:
Question 9: Which is not a squared identity?
(a) sin^2x + cos^2x = 1
(b) 1+ tan^2x = sec^2x
(c) 1+cot^2x = cosec^2x
(d) Cos^2x – sin^2x = 1
Answer: (d)
Explanation: Remaining three indenties are squared idenity.
Question 10:
Answer: (c)
Explanation:
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