Triganometry

Question 1

What is 1 radian in comparison to arc length?

Answer 1

1 radian is the angle in the middle of the circle that gives the arc length to equal 1 radius.

Question 2

What is the symbol for radian?

Answer 2

rad.

Question 3

1 radian is equal to…

Answer 3

57.3 degrees

Question 4

2pi multiplied by 1 rad is equal to…

Answer 4

360 degrees

Question 5

What is the equation of a circle with centre (0,0)

Answer 5

y squared + x squared = r squared

Question 6

Sin(-A) is equal to…

Answer 6

-sin(A)

Question 7

How do you convert radians to degrees?

Answer 7

Multiply by 180 and divide by pi.