Another way to write
sin^-1(x)
arcsin(x)
Evaluate
sec(arcsec(115/101))
115/101
Find two solutions between 0 and 360
4sinx-2=0
x=30, 150
Write in factored form:
4sin^2x-1
(2sinx+1)(2sinx-1)
Find all solutions between 0 and 360
(tanx+1)(tanx-1)=0
x=45, 135, 225, 315
In the expression arctan(x), x is a ______
ratio
The solution of the following is a(n) _______
tan(arcsec(x))
ratio
Find 2 solutions between 0 and 360
6tanx+6=0
x=135, 315
Write in factored form
2tanxsinx-tanx
tanx(2sinx-1)
Find all solutions between 0 and 360
4cos^2x-1=0
x=60, 120, 240, 300
Suppose k is a negative number. arccos(x) has two solutions between 0 and 360. Those solutions are in what two quadrants?
2 and 3
Assume quadrant 1
Evaluate
sin(arctan(7/4))
(7sqrt65)/65
cscx+sqrt2=0
x=225, 315
Write in factored form
8sin^2x-4sinx
4sinx(2sinx-1)
Find all solutions between 0 and 360
sin^2x=sinx+2
x=270
What are the 2 solutions between 0 and 360?
arctan(-sqrt3)
120 and 300
Evaluate
sin^2(arctan(1/5))+cos^2(arctan(1/5))
1
6cosx+8=2cosx+10
x=60, 300
Write in factored form
cos^2x+2cosx-3
(cosx+3)(cosx-1)
Find all solutions between 0 and 360
2cos^2x-cosx-1=0
x=0, 120, 240
Convert to arccos:
arcsec(-3)
arccos(-1/3)
Evaluate
cos(arcsec(a/b))
b/a
Find all solutions between 0 and 360
4sin(2x)+2sqrt3=0
x=120, 150, 300, 330
Write in factored form
5sin^2x+2sinx-3
(5sinx-3)(sinx+1)
Find all solutions between 0 and 360
(3sinx+1)(sinx-1)=0
x=90, 199.5, 340.5