if 5cos2 theta+6sin2 theta=11/2,then sin thete =__
Answers
Answered by
2
5cos²∅+6sin²∅=11/2
5cos²∅+5sin²∅+sin²∅=11/2
5(cos²∅+sin²∅)+sin²∅=11/2
5(1)+sin²∅=11/2
sin²∅=(11/2)-5
sin²∅=1/2
sin∅=1/✓2
hope this helped you
5cos²∅+5sin²∅+sin²∅=11/2
5(cos²∅+sin²∅)+sin²∅=11/2
5(1)+sin²∅=11/2
sin²∅=(11/2)-5
sin²∅=1/2
sin∅=1/✓2
hope this helped you
Similar questions