trig questions
tan 105
- 2 - radical 3
sin 255
- radical 2 + radical 6 over 4
cos 195
- radical 2 - radical 6 over 4
cos -7pi/12
- radical 6 + radical 2 over 4
tan 165
-2 + radical 3
tan 105
-2 - radical 3
2sin^2θ + sinθ = 0
0, pi, 210, 330
(1 + tan^2x) (1 - sin^2x)
1
(sec x - tan x) (sec x + tan x)
1
secθ • cotθ • sinθ
1
sin^2θ + sin^2θ • cot^2θ
1
tan x • csc x • cos x
1
2cosx + radical 3 = 0
150, 210
cosx + radical 3 = -cosx
150, 210
7cosθ + 9 = -2 cosθ
180
4sin^2x - 3 = 0
60, 120, 240, 300
2cos^2 θ + cosθ + 1 = 1
90, 270, 240, 120
(secθ + cscθ) (cosθ - sinθ)
cos^2θ - sin^2θ / sinθcosθ
sinθ (cscθ - sinθ)
cos²θ
tanθ (cscθ - sinθ)
cosθ
(cscx - 1) (cscx + 1)
cot^2x
cot^2x / cscx - 1
cscx + 1
cos 15
radical 2 + radical 6 over 4
sin 75
radical 6 + radical 2 over 4
cos 285
radical 6 - radical 2 over 4
cos 5pi/12
radical 6 - radical 2 over 4
sin 165
radical 6 - radical 2 over 4
sin pi/12
radical 6 - radical 2 over 4
