What's the period?
sin x - 2
2pi
Cos90
0
secx in terms of sin and cos
1/cosx
tanxcscx
secx
sinx = 1/2 show answer in degrees
30
2cos 2x - 1
pi
sin270
-1
cotx in terms of sin and cos
cosx/sinx
sinxcscx + tanxcotx
2
3cos2x + 2 = 3.5 show answer in degrees
30
2cos5x - 2
2pi/5
cos45
sqrt2/2
csc2x in terms of sin and cos
1/sin2x
cos2x / (1-sin2x)
1
-4 = 3sinx - 2 ...show answer in degrees, round to the nearest tenth
-41.8
sin(1/3)x
6pi
sin(-30)
-1/2
tan2x using a pythagorean identity
sec2x - 1
sinx(cscx - sinx)
cos2x
1 = 3sin2x + 2 ... show answer in degrees, round to the nearest hundredths
-9.75
45sin4(x + 9)
pi/2
cos420
1/2
1 + cot2x using a pythagorean identity
csc2x
secx/sinx - tanx
cotx
3sinx + 1 = 0 ... show answer in degrees, round to the nearest whole degree
-19