Ts Eamcet
Trigonometric Ratios And Identities
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ+1 / -02020
If $A+B+C=60^{\circ}$, then $\cos \left(30^{\circ}-A\right)+\cos \left(30^{\circ}-B\right)+\cos \left(30^{\circ}-C\right)+\sin (A+B+C)=$