This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 3 Trigonometric Functions – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 3 Trigonometric Functions Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A . y-axis is also called Ordinate.B . x-axis is also called Abscissa. A) A is true but B is false. B) B is true but A is false. C) Both A and B are false. D) Both A and B are true. Show Answer Correct Answer: D) Both A and B are true. 2. Find the exact value of $\tan^{-1}\left(\tan\\frac{3\pi}{4}\right)$ A) $\frac{\pi}{4}$. B) $-\frac{\pi}{4}$. C) $-\frac{\pi}{3}$. D) $\frac{\pi}{6}$. Show Answer Correct Answer: B) $-\frac{\pi}{4}$. 3. Is sine an even or odd function? A) Even. B) Odd. C) All the above. D) None of the above. Show Answer Correct Answer: B) Odd. 4. What does cos(0)=? A) 1. B) 0. C) -1. D) Undefined. Show Answer Correct Answer: A) 1. 5. $\csc\left(\frac{9\pi}{4}\right)=$ A) $2$. B) $-2$. C) $\sqrt{2}$. D) $-\sqrt{2}$. Show Answer Correct Answer: C) $\sqrt{2}$. 6. $\frac{\text{d}}{\text{d}y}\left(2\sin x+x^3\right)$ A) $2\cos x+3x^2$. B) $-2\cos x+3x^2$. C) $2\cos x+4x^4$. D) $2\cos x+2x^2$. E) $-2\cos x+2x^2$. Show Answer Correct Answer: A) $2\cos x+3x^2$. 7. If csc x = 13/5, what is the value of cot x? A) 5/12. B) 12/13. C) 13/5. D) 12/5. Show Answer Correct Answer: D) 12/5. 8. There exists a special right angled triangle whose sides are 3cm, 4cm and ..... ? A) 5cm. B) 6cm. C) 13cm. D) 7cm. Show Answer Correct Answer: A) 5cm. 9. What is the cosine of $\frac{3\pi}{2}$ A) 0. B) 1. C) -1. D) $\frac{1}{2}$. Show Answer Correct Answer: A) 0. 10. $f\left(x\right)=2\sec2\left(x+\frac{3\pi}{4}\right)+1$ A) Right $\frac{3\pi}{4}$. B) Left $\frac{3\pi}{4}$. C) Up 1. D) Down 1. Show Answer Correct Answer: B) Left $\frac{3\pi}{4}$. 11. Which expression is equivalent to the trigonometric expression $\cot\left(\theta\right)\cdot\sec\left(\theta\right)$ A) $\sec\left(\theta\right)$. B) $1$. C) $\csc\left(\theta\right)$. D) $\tan\left(\theta\right)$. Show Answer Correct Answer: C) $\csc\left(\theta\right)$. 12. $\sin\left(\frac{13\pi}{3}\right)=$ A) $\frac{1}{2}$. B) $-\frac{1}{2}$. C) $\frac{\sqrt{3}}{2}$. D) $-\frac{\sqrt{3}}{2}$. Show Answer Correct Answer: C) $\frac{\sqrt{3}}{2}$. 13. Which parent functions include the point (0, 1)? A) Sine and cosecant. B) Cosine and secant. C) Cosine, secant, and tangent. D) Sine, cosecant, and cotangent. Show Answer Correct Answer: B) Cosine and secant. 14. Y= sin$^{2}$x find y' A) 2sin x. B) 2(sin x)(cos x). C) 2cos x. D) 2x(cos x). Show Answer Correct Answer: B) 2(sin x)(cos x). 15. $y=3\tan\left(Bx-\frac{\pi}{4}\right)+1$ A) 3. B) 2. C) 1. D) 1/2. Show Answer Correct Answer: D) 1/2. 16. Given $\tan(\theta) = \frac{7}{24}$ $\cot(\theta)$ A) $\frac{24}{7}$. B) $\frac{7}{24}$. C) $\frac{25}{7}$. D) $\frac{7}{25}$. Show Answer Correct Answer: A) $\frac{24}{7}$. 17. What does TAN represent? A) Tanning Salon. B) Tangent. C) Texas Association of Narcissists. D) None of the above. Show Answer Correct Answer: B) Tangent. 18. A ..... function is one that has a pattern that repeats itself over and over again. A) Reflected. B) Periodic. C) Translated. D) Stretch-shrink. Show Answer Correct Answer: B) Periodic. 19. What shift is happening in the function y=1/2sin3(x+4) A) Right 4. B) Up 4. C) Lef. D) Left 4. Show Answer Correct Answer: D) Left 4. 20. Which inequality models an acute triangle? A) C$^{2}$ > a$^{2}$ + b$^{2}$. B) C$^{2}$ < a$^{2}$ + b$^{2}$. C) What's an acute triangle?. D) C$^{2}$ = a$^{2}$ + b$^{2}$. Show Answer Correct Answer: B) C$^{2}$ < a$^{2}$ + b$^{2}$. 21. Cos (90$^\circ$ + x) = A) Sin x. B) -sin x. C) -cos x. D) Cos x. Show Answer Correct Answer: B) -sin x. 22. What is the definition for sine (sin)? A) Y/r. B) X/r. C) Y/x. D) X/y. Show Answer Correct Answer: A) Y/r. 23. $\frac{d}{dx}\left(\cos x\right)=$ A) $\sin x$. B) $\sec x$. C) $-\sin x$. D) $-\sec x$. Show Answer Correct Answer: C) $-\sin x$. 24. TRIG RATIOS OF INVERSE TRIG FUNCTIONS $\cot\left(\cos^{-1}\left(-\frac{84}{85}\right)\right)=R$ $R$ A) $-\frac{84}{13}$. B) -1384 Mathematical EquivalenceOFF. C) All the above. D) None of the above. Show Answer Correct Answer: A) $-\frac{84}{13}$. 25. When graphing a Tangent phase shift (+/-C), the shift applies to what part of the graph? A) The center point. B) The left most asymptote. C) The right most asymptote. D) The horizontal axis. Show Answer Correct Answer: A) The center point. ← 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