exercise 8.3 1. Express the trigonometric ratios \(\sin A\), \(\sec A\) ,and \(\tan A\) in terms of \(\cot A\). Solution: We know that,\(\cot A = \frac{\cos A}{\sin A}\) \(tan A\) in terms of \(cot A\)\(tan A =...
Category - NCERT
Question 1: In which of the following situations, does the list of numbers involved make an arithmetic progression, and why? (i) The taxi fare after each km when the fare is \( \text{₹}\,15 \) for the first km and \(...
EXERCISE 8.2 1. Evaluate the following : (i) \( \sin 60^\circ \cos 30^\circ + \sin 30^\circ \cos 60^\circ \) Solution: We use the known trigonometric values: \( \sin 60^\circ = \frac{\sqrt{3}}{2}, \quad \cos 30^\circ...
Understanding Trigonometry: NCERT Class 10 Mathematics Chapter 8 Trigonometry might be tough but is very interesting. It is detailly covered in the Chapter 8 of the Class 10 Mathematics NCERT textbook, named...
EXERCISE 8.1 1. In triangle ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine :(i) sin A, cos A(ii) sin C, cos C Solution: Given, In triangle ABC, angle B is a right angle. The lengths of two sides are given:...
