Manipal MET2012MathematicsTrigonometric Ratios & Identities
If 2 3 2 , then the value of 1- 1+ is equal to
Options
- A- +
- B+
- C-
- DNone of these
Correct answer
A. - +
Step-by-step solution
aligned 1- 1+ & = (1- )^2 1- ^2 & = 1- ^2 = 1- | | & = 1- - ( 2 3 2 ) & =- 1 + & =- + aligned