Ref and co
Vector-ious
Enter the co-function
Area not-51
Who am I?
100

The reference angle for 300 degrees.

What is 60 degrees.

100
The magnitude of <0, 1> is this number.

What is 1?

100

cos(20 degrees) = sin( ? )

What is 70 degrees.

100

The area of a triangle where a= 20, b= 40, and the included angle is 50 degrees.

What is 306.4 units^2?

100

sin^2 x + cos^2 x = 

What is 1?

200

The reference angle for 7pi/8. 

What is pi/8.

200

The magnitude of 2i + 8j, in simplest form. 

What is 2sqrt17?

200

The cofunction for secant.

What is cosecant?

200

The area of a triangle where b = 10, c= 20, and the included angle is 70 degrees.

What is 94 units^2?

200

sin(2x) = 

What is 2 sinx cos x?

300

The smallest positive coterminal angle for 1036 degrees.

What is 316 degrees.

300

The direction angle of 3i - 4j. 

What is -53.1 degrees, or 306.9 degrees?

300

cot(13 degrees) = 

What is tan(77 degrees)?

300

The area of a triangle with sides lengths 5, 6, and 7.

What is 14.7 units^2?

300

cos(2x) = (all cos please!)

What is 2cos^2 x  - 1 ?

400

The largest negative coterminal angle for 999 degrees.

What is -81 degrees.

400

The magnitude of <10, 11> in simplest form.

What is sqrt221?

400

sec(pi/4) = 

What is csc(pi/4)?

400

The area of a triangle whose side lengths are 4, 4, and 5.

What is 7.8 units^2?

400

sin(A + C) = 

What is sinA cosC + sinC cos A ?

500

The reference angle for 13pi/11.

What is 2pi/11?

500

The direction angle of -i - j is this. Positive, please. 

What is 225 degrees?

500

cos(300 degrees) = 

What is sin(-210 degrees)?

500

The area of a triangle whose side lengths are 10, 15, and 17.

What is 74.5 units^2?

500

This "touching" trig ratio is ready for summer. 

What is tan?