Trig

Card Set Information

Author:
switch2002
ID:
194862
Filename:
Trig
Updated:
2013-02-09 16:44:10
Tags:
Vocab Formulas
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Description:
Trig
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  1. Sum of angles in a Triangle 
    180
  2. Complementary Angle
     total 90 degrees
  3. Supplementary Angle
    total 180 degrees
  4. Acute Angle
    >0 but < 90
  5. Obtuse Angle
  6. Strait Angle
  7. Right Angle
  8. 45-45-90 Triangle
    1. the two legs are equal
    2. Hypotenuse is the lengh of either side
  9. 30-60-90 Triangle
    1. longer leg is sqrt.3 times lengh of shorter leg
    2.hypotenuse is 2 timeslenght of shorter leg
  10. Equilaterial Triangle
    equal sides
  11. Isoscoles Triangle
  12. Scalene Triangle
    no equal sides
  13. the 6 trig function names
    • sine cosine tangent
    • recipricals
    • cosecant secant cotangent
  14. sin=  cos=  tan=
    sin= y/r  cos=x/r  tan= y/x
  15. csc=  sec= cot=
    csc= r/y   sec= r/x   cot= x/y
  16. Sin 0 degrees
    0
  17. Sin 30 degrees
    1/2
  18. Sin 45 degrees
    sqrt 2/2
  19. Sin 60 degrees
    sqrt 3/2
  20. Sin 90 degrees
    1
  21. Cos 0 degrees
    1
  22. cos 30 degrees
    sqrt 3/2
  23. cos 45 degrees
    sqrt 2/2
  24. Cos 60 degrees
    1/2
  25. cos 90 degrees
    0
  26. Tan 0 degrees
    0
  27. tan 30 degrees
    1/ sqrt 3
  28. tan 45 degrees
    1
  29. tan 60 degrees
    sqrt 3
  30. tan 90 degrees
    undefined

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