This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 3 Trigonometric Functions – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which quadrant is-570$^\circ$ A) I. B) II. C) III. D) IV. Show Answer Correct Answer: B) II. 2. What is the trigonometric function for tan x? A) Sin x/cos x. B) 1/sin x. C) Cos x/sin x. D) 1/cos x. Show Answer Correct Answer: A) Sin x/cos x. 3. What is the period of y = (x /4 + 5pi/3) + 1in radians? A) 2pi. B) 4pi. C) 8pi. D) Pi. Show Answer Correct Answer: C) 8pi. 4. Based on your unit circle cos(0$^{o}$)= A) 1. B) 0. C) -1. D) 1/2. Show Answer Correct Answer: A) 1. 5. $\tan^{-1}\left[2\cos\left(2\sin^{-1}\\frac{1}{2}\right)\right]$ A) $\frac{\pi}{4}$. B) $\frac{\pi}{3}$. C) $\frac{\pi}{2}$. D) $\frac{2\pi}{3}$. Show Answer Correct Answer: A) $\frac{\pi}{4}$. 6. Give the amplitude of sine. A) 1. B) 0. C) -1. D) None. Show Answer Correct Answer: A) 1. 7. $\frac{d}{dt}\left(4\sec t+\tan t\right)=$ A) $4\tan t+\sec t$. B) $4\sec t+\tan t$. C) $\tan t\left(4\sec t+\tan t\right)$. D) $\sec t\left(4\tan t+\sec t\right)$. Show Answer Correct Answer: D) $\sec t\left(4\tan t+\sec t\right)$. 8. Find $\frac{dy}{dx}$ $y=\frac{3x+2^{ }}{2x+1}$ A) $-\frac{1}{\left(2x+1\right)^2}$. B) $\frac{1}{\left(2x+1\right)^2}$. C) $\left(2x+1\right)^{-2}$. D) $2x+1$. Show Answer Correct Answer: A) $-\frac{1}{\left(2x+1\right)^2}$. 9. $\sin\left(\cos^{-1}\\frac{7}{25}\right)$ A) $\frac{24}{7}$. B) $\frac{7}{24}$. C) $\frac{24}{25}$. D) $\frac{25}{24}$. Show Answer Correct Answer: C) $\frac{24}{25}$. 10. What is the tangent of $\frac{5\pi}{4}$ A) 1. B) -1. C) 0. D) Undefined. Show Answer Correct Answer: A) 1. 11. If sin x = 12/15, what is the value of the cot x? A) 9/15. B) 9/12. C) 12/9. D) 15/9. Show Answer Correct Answer: B) 9/12. 12. What is the value of the trigonometric function $\tan\\frac{3\pi}{2}$ A) $0$. B) 1. C) $\infty$. D) $-1$. Show Answer Correct Answer: C) $\infty$. 13. At what point are sine and cosine the same value? A) 0. B) 90. C) 45. D) 60. Show Answer Correct Answer: C) 45. 14. What is $\cos^2(\theta) + \sin^2(\theta)$ A) $0$. B) $1$. C) $\sin(\theta)$. D) $\cos(\theta)$. Show Answer Correct Answer: B) $1$. 15. Simplify:sin x cot x A) Cos x. B) Sin x. C) Tan x. D) Sec x. Show Answer Correct Answer: A) Cos x. 16. What does C represent in an antiderivative? A) A variable. B) A constant. C) None of these. D) Unknown. Show Answer Correct Answer: B) A constant. 17. $\left(3C\right)\\lim_{x\rightarrow0}\\frac{\sin^23x}{5x^2}$ A) 9. B) 5. C) $\frac{5}{9}$. D) $\frac{9}{5}$. Show Answer Correct Answer: D) $\frac{9}{5}$. 18. What is the reference angle for $\frac{4\pi}{3}$ A) $\frac{\pi}{3}$. B) $\frac{\pi}{6}$. C) $\frac{\pi}{4}$. D) $\frac{7\pi}{6}$. Show Answer Correct Answer: A) $\frac{\pi}{3}$. 19. Where does the graph of sine begin? A) (0, 0). B) (Max, 0). C) (0, Pi). D) (1, Pi). Show Answer Correct Answer: A) (0, 0). 20. The value of the expression $\sin[\cot^{-1}(\cos(\tan^{-1}1)]$ A) 0. B) $\sqrt[]{\frac{2}{3}}$. C) 1. D) $\frac{1}{\sqrt[]{3}}$. Show Answer Correct Answer: B) $\sqrt[]{\frac{2}{3}}$. 21. What is the value of the trigonometric function $\csc\\frac{\pi}{4}$ A) $0$. B) 1. C) $\sqrt[]{2}$. D) $\frac{\sqrt[]{2}}{2}$. Show Answer Correct Answer: C) $\sqrt[]{2}$. 22. If cot(x) =0.3, what is cot (-x)? A) -0.5. B) -0.3. C) +0.3. D) -(0.3). Show Answer Correct Answer: B) -0.3. 23. Sin ( 360$^\circ$ * n + x ) = A) Cos x. B) -cos x. C) Sin x. D) -sin x. Show Answer Correct Answer: C) Sin x. 24. The expression $\sin^2x$ A) $\left(\sin x\right)^2$. B) $\sin x^2$. C) $2\sin x$. D) None of the above. Show Answer Correct Answer: A) $\left(\sin x\right)^2$. 25. The graph of tangent function is ..... A) Continuous. B) Discontinuous. C) None. D) None of the above. Show Answer Correct Answer: B) Discontinuous. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 3 Trigonometric Functions Quiz 1Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 2Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 3Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 4Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 5Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 6Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 7Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 8Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 9Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books