## Evaluate cos 48° cos 42° − sin 48° sin 42°

Note: Thisis similarto Ex 8.3, 2 (ii) of NCERT – Chapter 8 Class 10

Check the answer herehttps://www.teachoo.com/1774/531/Ex-8.3--1---Evaluate-(i)-sin-18---cos-72-(ii)-tan-26-cot-64/category/Ex-8.3/