7 Answered Questions for the topic Half Angle Formula

05/15/18

cot/2= squareroot 3/3
cot   √3 —  = — 2       3
Follows • 2
Expert Answers •1
Half Angle Formula Precalculus Pi Tangent

02/20/17

Use the half-angle formulas to find the exact value of the trigonometric function?
tan 7π/8
Follows • 2
Expert Answers •1
Half Angle Formula Precalculus Sine

11/27/16

How do I know what quadrant u/2 is if u is in quadrant 3?
I know how to use the half-angle formulas but I don't know how to find out which quadrant u/2 is in based off of what quadrant u is in.
Follows • 2
Expert Answers •1
Half Angle Formula Math Trigonometry Math Help

12/20/15

If cosB=1/9, then what is the positive value of cos1/2B, in simplest radical form with a rational denominator?
If cosB=1/9, then what is the positive value of cos1/2B, in simplest radical form with a rational denominator?
Follows • 2
Expert Answers •1
Half Angle Formula Trigonometry

11/02/14

Use the Half-Angle formulas to find the exact values
a. cos 75°          b. (π/8)         P.S. please show step by step
Follows • 1
Expert Answers •1
Half Angle Formula Trigonometry Double Angle Formula

04/20/14

Sin 2 u , Cos 2 u , Tan 2 u , Sin u/2 , Cos u/2 , Tan u/2
Given that csc u= 17/15 and 0 < u < pi/2 , use double angle or half angle formulas to find the following
Follows • 1
Expert Answers •1
Half Angle Formula Math Trigonometry Math Help

01/03/14

Use the half angle formulas to determine.
A. sin22.5 degrees and  B. tanpi/12 degrees
Follows • 3
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.