Ts Eamcet
Trigonometric Ratios And Identities
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ+1 / -02022
If $A+B+C=\frac{\pi}{2}$, then $\sqrt{2} \cos \left(\frac{\pi}{4}-A\right)$
\(+\sqrt{2} \cos \left(\frac{\pi}{4}-B\right)+\sqrt{2} \cos \left(\frac{\pi}{4}-C\right)+1=\)