`s in 163^0cos 347^0+s in 73^0s in 167^0=` `1//2` b. `1` c. `0` d. none of these

sin 163^0cos 347^0+sin 73^0sin 167^0= a. 1//2 b. 1 c. 0 d. none of these

s in163^(0)cos347^(0)+s in73^(0)s in167^(0)=1/2 b.1 c.0 d.none of these

The value of s in 10^0+s in 20^0+s in 30^0++s in 360^0 1s- a. 1 b. 0 c. -1 d. none of these

sin163^(@)cos347^(@)+sin73^(@)sin167^(@)=(A)0 (B) (1)/(2)(C)1(D) none of these

The value of s in78^(0)-s in66^(0)-s in42^(0)+s in6^(0) is -1 b.1/2c.-1/2d .none of these

The (lim)_(x->0)(cos x)^(cotx) is -1 b. 1 c. 0 d. none of these

(lim_(x rarr0)(|s in x|)/(x) is a.1b*-1c.0d .none of these

If A+B+C=pi,\ t h e n\ |"sin"(A+B+C)s in B cos C-s in B0t a n A"cos"(A+B)-t a n A0| is equal to 2s in B t a n A cos C b. 1 c. 0 d. none of these

Prove that: t a n 720^0-cos 270^0-s in 150^0cos 120^0=1/4

Value of (cos 12^0+s in 12^0)/(cos 12^0-s in 12^0) is equal to t a n 417^0 b. t a n 237^0 c. t a n 57^0 d. t a n 663^0