Across
- 3. If β is the angle whose cosine is one radian, what is the cosine of β ?
- 4. The tangent of an angle is equal to the length of the side opposite that angle divided by the length of the side _________ to the right angle
- 5. Two triangles are ________ if their corresponding angles have the same measure
- 6. Angles 0, π/2, π, 3π/2, and 2π are called ________ angles
- 9. Directed line segment
- 10. Angular rotation per unit time is called Angular ______
- 14. The angle of depression is formed when we look ____ toward an object
- 15. In Quadrant III, the ______ is always positive
- 18. The __________ of 16 is 4
- 19. There are _______ radians in the full rotation of a circle
- 20. The longest side of any right triangle is called the ________
- 21. The degree to which you look up at an object is called the angle of _______
- 25. If the angle is measured in a clockwise direction, the angle is said to be a(n) ______ angle.
- 26. All trigonometric functions are positive in Quadrant _____
- 27. The smallest number that divides two other numbers is called the Lowest _______ Divisor
- 28. A ______ Angle is always between 0° and 360°
- 30. In a right triangle, the ratio of the length of the side opposite an angle and the length of the side that adjoins that angle to the right angle of that triangle
- 31. sin(π)=
- 32. Branch of mathematics that studies relationships between side lengths and angles of triangles.
Down
- 1. arcsin(f) and sin^-1(f) both represent ________ trigonometric functions
- 2. Standard position starts at the positive x-axis and rotates angles around in the _______ direction
- 7. The _____ of a sector is found using r^2/2β
- 8. a^2+b^2=c^2 is called the ________Theorem
- 10. An equation in the form a^2-b^2 is called a Difference of ________
- 11. The interior angles of a triangle add up to one hundred and _____ degrees
- 12. The angle whose cosine is β is represented by ______(β)
- 13. Circle with Radius of 1
- 16. When adding fractions we have to find a Common ________
- 17. Arc length of a segment of a circle is found by multiplying the radian measure of an angle by the ______
- 22. Converting 1/sqrt(2) to sqrt(2)/2 is calling Rationalizing the _________
- 23. The reciprocal of the cosine of an angle is called the ________ of that angle
- 24. The union of two rays having a common endpoint
- 26. What is the cosine of 4π? (No Calculator!)
- 29. Definition of ________: Measure of a central angle of a circle that intercepts an arc equal in length to the radius of that circle