MHT CET202210 Aug 2022Evening ShiftMathematicsTrigonometric Ratios & IdentitiesActual
If p= 20^ , then value of 160^ - 110^ 1+ 160^ 110^ , in terms of p is
Options
- A1+p^2 2 p^2
- B1+p^2 2 p
- C1-p^2 2 p
- D1-p^2 2 p^2
Correct answer
C. 1-p^2 2 p
Step-by-step solution
aligned & 160^ - 110^ 1+ 160^ 110^ = (160^ -110^ )= 50^ & = (90^ -40^ )= 40^ = 1 40^ & = 1 2 ₂ 0^ 1- ^2 20^ = 1- ^2 20^ 2 20^ = 1-p^2 2 p aligned