Please check the question, is it
10sin^4 theta+15 cos^4 theta=6
or
10sin^2 theta+15 cos^2 theta=6
Written on July 19, 2016, 12:40 p.m.
Please check the question, is it
10sin^4 theta+15 cos^4 theta=6
or
10sin^2 theta+15 cos^2 theta=6
Written on July 19, 2016, 12:40 p.m.