Special Right Triangles
Inverse Trig Functions (Answers in Degrees)
Degrees
Radians
I am smart
100
The value of X. 
What is 7
100
\sin^-1(\frac{1}{2})
What is
30^\circ
100
\sin45^\circ
What is
\frac{\sqrt{2}}{2}
100
\sin \frac{\pi}{6}
What is
\frac{1}{2}
100
2+2
What is 4.
200
The value of c
What is
7\sqrt2
200
\cos^-1(1/2)
What is
60^\circ
200
\cos 150^\circ
What is
-\frac{\sqrt{3}}{2}
200
\cos \frac{\pi}{2}
What is 0.
200
The hypotenuse length of a right triangle with legs 3 and 4.
What is 5.
300
The value of Y
What is 2
300
\tan^-1(1)
What is
45^\circ
300
\tan 270^\circ
What is undefined.
300
\tan \frac{5\pi}{4}
What is 1
300
The reason why we have 360 degrees in a circle.
What is because there are 365 days in a year.
400
The value of Y
What is 2.
400
\tan^-1 \sqrt{3}
What is
60^\circ
400
\cos 300^\circ
What is
\frac{1}{2}
400
\tan 0
What is 0.
400
\log_5 625
What is 4.
500
The value of x.
What is
4\sqrt3
500
\cos^-1 \frac{\sqrt{3}}{2}
What is
30^\circ
500
\tan(-60^\circ)
What is
-\sqrt{3}
500
\sin (-\frac{2\pi}{3})
What is
-\frac{\sqrt{3}}{2}
500
The reason why logarithms were invented.
What is to make multiplication of large numbers easier.