Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.1 (10 and 11) (in Hindi)

Lesson 4 of 6 • 2 upvotes • 9:02mins

Brijesh Sharma

These videos are the solution of CBSE NCERT book of class X. In this lesson, 2 Questions are solved of Exercise 8.1 10. In △PQR, right-angled at Q, PR + QR = 25 cm and PQ = 5 cm. Determine the values of sinP, cosP and tanP. 11. State whether the following are true or false. Justify your answer. (i) The value of tanA is always less than 1. (ii) secA = 12/5 for some value of angle A. (iii) cosA is the abbreviation used for the cosecant of angle A. (iv) cotA is the product of cot and A. (v) sin θ = 4/3 for some angle θ.