Answer to Question #3813 in Trigonometry for vrf

Question #3813

If sin(x)=(1/11) (in quadrant 1)& find sin(2x)=

Expert's answer

If sin x = 1/11,
cos x =(1 - sin² x)^1/2 = (1 - 1/121)^1/2 =(120/121)^1/2 = 2 √30 /11
sin 2x = 2 sinx cosx = 2*1/11*2√30 /11 = 4√30 / 121

Learn more about our help with Assignments: Trigonometry

No comments. Be the first!

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…