Here you get the CBSE Class 10 Mathematics chapter 8, Introduction to Trigonometry and its Applications: NCERT Exemplar Problems and Solutions (Part-IA). This part of the chapter includes solutions of Question Number 1 to 8 from Exercise 8.1 of NCERT Exemplar Problems for Class 10 Mathematics Chapter: Introduction to Trigonometry and its Applications. This exercise comprises only the Multiple Choice Questions (MCQs) framed from various important topics in the chapter. Each question is provided with a detailed solution.
NCERT Exemplar problems are a very good resource for preparing the critical questions like Higher Order Thinking Skill (HOTS) questions. All these questions are very important to prepare for CBSE Class 10 Mathematics Board Examination 2017-2018 as well as other competitive exams.
Find below the NCERT Exemplar problems and their solutions for Class 10 Mathematics Chapter, Introduction to Trigonometry and its Applications:
Multiple Choice Questions (Q. No. 1-8)
Question. 3 The value of the expression cosec (75° + θ) - sec (15° - θ) - tan (55° + θ) + cot (35° - θ) is
Question. 5 If cos(a + b) = 0, then sin (a - b) can be reduced to
(a) cosb (b) cos 2b (c) sina (d) sin 2a
Question. 6 The value of (tan l° tan 2° tan 3° ... tan89°) is
Question. 8If ΔABC is right angled at C then the value of cos (A + B) is
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