Angles in degrees and radians
Simplifying Trig Expressions
Solving Trigonometric Equations
Law of Sines
Miscellaneous
100
Convert 200 degrees into radians.
10π/9
100
(secx)(cosx)
1.
100
2sinx=-1
x=330 degrees
x=210 degrees
100
Find the area of the triangle ABC and round to the nearest tenth.
10cm2
100
16x2+8x=0
x=0
x=-1/2
200
Convert π/4 into degrees.
45 degrees.
200
(cosx)(cscx)
cotx
200
sin2x=sinx
x=0,180
x=90
200
Find the area of the triangle ABC and round to the nearest tenth.
19cm2
200
20x2+15x=0
x=0
x= -3/4
300
Convert 100 degrees into radians.
5π/1
300
(secx)(tanx)(cosx)
sinx/cosx
300
√ 2cos=1
x=45+2π n
x=315+2π n
300
Find the missing angle measures in the triangle and round to the nearest tenth.
55
300
4x2+16x=0
x=0
x=-4
400
Convert 6π/4 into degrees.
270 degrees.
400
x2-9/x+3
(x-3)
400
-4+6cosx=-7
x=120 degrees+ 360 degrees n
x+ 240 degrees + 360 degrees n
400
Find the following triangle (not right triangle).
<A=50
<B=30
c=9cm
<C=100
a=7cm
b=4.6
400
5x2=15x
x=0
x=3
500
Convert 30 degrees into radians.
πrad/6
500
tan 45 - cot 315
2
500
2sinx+1=0
x=330 degrees
x= 210 degrees
500
Solve the following triangle (not right triangle).
<A=25
<C=107
b=12cm
<B=48
a=5.1
c=15.4
500
x2=64
x=8
x=-8