Half-Angle Identities - Page 4
Questions
- How do you use the half angle identity to solve sin 165°, cos 165° and tan 165° ?
- How do you use the half angle formula to find the value of #sin^2(112.5)#?
- If #cos^2x = 3/4#, then what is the value of #cos(2x)#?
- Write sec theta - tan theta sin theta in terms of sin theta and cos theta; then simplify if possible. (Leave your answer in terms of sin theta and/or cos theta)? See details for the problem
- How do you use half angle formula to find #sin 112.5#?
- How do you use the half angle formula to find #sin ((9pi)/ 8)#?
- Find all radian solutions on the interval #(-oo, oo)#? #sin(2x) - tanx = 0#
- How do you use the half angle formula for #sin ((5pi)/12)#?
- How do you simplify: sec^2(π/2-x)-1 ?
- Sin (arc cos (-1/2) ) ?
- How do I use a half-angle identity to find the exact value of cos 165º ??
- How do I find an angle that is not on the unit circle?
- How do you find the exact values of sin(u/2), cos (u/2), tan (u/2) using the half angle formulas given #cos u= 3/5#, #0<u<pi/2#?
- How do you find the exact value of the half angle of #tan 157.5#?
- Use an appropriate half-angle identity to find the exact value of sin(pi/12) = ?
- How do you use a half angle formula to find the exact value of sin22.5 degrees?
- How do you use a half-angle identity to find cos x, for #x= ((5pi)/12)#?
- How do you verify tan (x-(pi/2)) = cot x? Thanks.
- How do you solve this question: h= (d*sinA*sinB)/(sin(B-A)?
- If #cscx=2#, 90°<x<180° how do you find sin(x/2), cos(x/2), tan(x/2)?