1.

can i write sinx•2cosx as 2sinx•cosx ??? is this possible?

Answer»

yes you can write because when we put value like example: when x= 30°

then sin30°.2cos30°=root 3/2

and 2sin30°.cos30°=root 3/2

hence both value are same .So you can write it as .

hope this will help you like my answer and MARK IT AS BEST ANSWER.

your answer is 2sim 30°



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