Class 10 Maths Ex 8.4 Q2 (Trigonometry), Ncert, Write all the Trigonometric Ratios in terms of sec A

Maths Class 10 Introduction to Trigonometry Chapter -8 Exercise-8.4, Q.No.-2 Write all the other trigonometric ratios of ∠ A in terms of sec A. ????We are supposed to cover NCERT Book, NCERT Exemplar Questions, RD Sharma Questions, RD Sh