CBSE Class 11-science Answered
cos2a=(root2+1)(cosa-1/root2)
Solve the equation
Asked by Anil | 20 Jun, 2017, 07:40: PM
Expert Answer
Use half angle formula and try to solve.
If you have any doubt please post the snap of your steps I will guide you further.
Answered by Sneha shidid | 21 Jun, 2017, 10:52: AM
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