Basic Trig Functions - LibertyPrecal
Special Right Triangles name ________________________
Find the missing side of the following right triangles, then fill in the missing trigonometric ratios.
1. 2. 3.
sin [pic]= ________ sin [pic]= ________ sin [pic]= ________
cos [pic]= ________ cos [pic]= ________ cos [pic]= ________
tan [pic]= ________ tan [pic]= ________ tan [pic]= ________
What is [pic]? ________ What is [pic]? ________
Find the missing sides of the following Special Right Triangles.
4. If [pic], find the length of [pic]. 5. If [pic], find the length of [pic].
6. If [pic], find the length of [pic]and [pic]. 7. If [pic], find the value of [pic].
8. If [pic], find the lengths of [pic] and [pic]. 9. If [pic], find the lengths of [pic] and [pic].
Draw the angle and then use your reference angle and special right triangles to find the exact value.
10. tan 225( = _____________ 11. cos 30( = _____________ 12. sin 120( = _____________
13. sin [pic]= _____________ 14. cos [pic] = _____________ 15. tan [pic]= ____________
16. cos 210( = ____________ 7. sin 300( = ____________ 18. tan [pic]= ____________
-----------------------
1
x
[pic]
1
x
[pic]
3
x
5
[pic]1
[pic]1
[pic]1
................
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