Steps to get the answer 1. Analyse the standard formula well. 2. write down the value of angle ,which is with variable X or any other variable if mentioned . 3. Here if you observe you will get only "a " the angle with X in both the terms ( SEE FORMULA ) 4. Now take cube of "a" & divide that by 2 like ( a^3 / 2) & so the result . Any queries from this please mail us or you can comment your doubt in the comment box Thank you !!!
