A) 0
B) 1
C) 2
D) 3
Correct Answer: A
Solution :
\[2-2{{\cos }^{2}}\theta =4+3\cos \theta \]\[\Rightarrow \] \[2{{\cos }^{2}}\theta +3\cos \theta +2=0\] \[\Rightarrow \] \[\cos \theta =\frac{-3\pm \sqrt{9-16}}{4}\], which is imaginary, hence no solution.You need to login to perform this action.
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