if it is this wat u meant....
sin3 a x cos a+cos3 a sin a
taking common sin a x cos a(sin2 a + cos2 a)
so it is sin a x cos a... :)
what is the value of sincube.cos+coscube.sin will u please explain me with the help of a solution
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2 Answers
Ketan Chandak
·2012-01-29 05:54:06