This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Introduction To Trigonometry > Class 10 Maths Chapter 8 Introduction To Trigonometry – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 8 Introduction To Trigonometry Quiz 3 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The value of (tan1$^\circ$ tan2$^\circ$ tan3$^\circ$ ..... tan89$^\circ$) is A) 0. B) 1. C) 1/2. D) 2. Show Answer Correct Answer: B) 1. 2. How many minutes in 1 degree? A) 360. B) 36. C) 60. D) 1. Show Answer Correct Answer: C) 60. 3. If tan 2 A = cot(A-18$^\circ$), then value of A is ..... A) 36$^\circ$. B) 24$^\circ$. C) 27$^\circ$. D) 18$^\circ$. Show Answer Correct Answer: A) 36$^\circ$. 4. (without 30 $^\circ$ + cos30 $^\circ$)-(without 60 $^\circ$ + cos60 $^\circ$) A) -1. B) 1. C) 0. D) 2. Show Answer Correct Answer: C) 0. 5. $\operatorname{cosec}\\theta\=$ A) $\frac{1}{\sin\\theta}$. B) $\frac{1}{\cos\\theta}$. C) $\frac{1}{\cot\\theta}$. D) $\frac{1}{\tan\\theta}$. Show Answer Correct Answer: A) $\frac{1}{\sin\\theta}$. 6. Write the maximum value of $\sin\theta$ A) -1. B) 0. C) 2. D) 1. Show Answer Correct Answer: D) 1. 7. Value of $\sqrt{\frac{1\-\\sin^260^{\circ}}{2}}$ A) $\frac{\sqrt{2}}{4}$. B) $\frac{3}{\sqrt{2}}$. C) $\frac{4}{2\sqrt{2}}$. D) $\frac{\sqrt{2}}{3}$. Show Answer Correct Answer: A) $\frac{\sqrt{2}}{4}$. 8. We can use SOH-CAH-TOA for ..... A) Never. B) Non-right triangles only. C) Right Triangles only. D) Any triangle ever. Show Answer Correct Answer: C) Right Triangles only. 9. Cosec 31 $^\circ$-sec59 $^\circ$ = ..... A) 1/2. B) 1. C) 2. D) 0. Show Answer Correct Answer: D) 0. 10. Which of the following holds true about the trigonometric functions? A) Sine-Cosine. B) Sine-Cotangent. C) Tangent-Cosecant. D) Cosine-Secant. Show Answer Correct Answer: D) Cosine-Secant. ← PreviousRelated QuizzesMathematics QuizzesClass 10 QuizzesClass 10 Maths Chapter 8 Introduction To Trigonometry Quiz 1Class 10 Maths Chapter 8 Introduction To Trigonometry Quiz 2 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books