Posted by Lucy on Saturday, April 19, 2008 at 4:13pm.
half angle between 135 and 180 which is quadrant 2
half angle formula in quad 2
sqrt [(1-cos t)/2 ]
sqrt [ (1/3) /2 ]
sqrt (1/6)
sqrt 1/sqrt 6
sqrt 6/6 agree
Related Questions
Algebra II - Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)...
Algebra II - Find cos theta if sin theta = 3/5 and 90 degrees<theta&...
Trig - Find the exact value of sin2(theta) if cos(theta) = -sqrt 5/3 and 180 &...
Algebra II - 1) Find the exact value of cos 105 degrees by using a half-angle ...
Pre Calc. - Use the sum or difference identity to find the exact value of sin255...
Algebra II - Find sec theta if tan theta =1/4 and 180 degrees<theta&...
Trig - Find sec theta if sin theta = -4/5 and 270 degrees < theta <...
Trig(continued) - 2)Find the solution of sin2 theta = cos theta if 0 -< ...
Pre-Calculus-check answers - If cos theta = 0.8 and 270<theta<360...
Mathematics - 1. Show that Sin3 Theta - Cos2 Theta = (1 - Sin Theta)(4Sin^2 ...
For Further Reading
