Ques 150. A — coe
150.
B.
151.
lf- A and B are aug!es of a light angled triangle
angled at C, prove that sin2 A + sin: B —
- l, find che value of
coe a
Using formuia cos 20 = 2
cos 300. i,' is being given that cos 600 =
2
Using the lorrnnla cos 29 —2 sin2 e, find the value Of
Given expres
(uTION
cos 58
sin 3
