Basic Trig Ratios
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinA =
sinC =
cosA =
cosC =
Ratios must be reduced
tanA =
tanC =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles.
Write the trig. ratios for the triangle.
Right Triangle Trigonometry - SohCahToa
sinX =
sinZ =
cosX =
cosZ =
Ratios must be reduced
tanX =
tanZ =
You have 3 trig. keys on your calculator that will give you a "trig. ratio"for a specific angle measure.  The ratio will be given to you in decimal form.  Use your calculator to find the trig. ratios for the following anglemeasures.
Decimal equivalents must be rounded to the nearest thousandth.
(i.e. 0.123 or 0.600)
cos12=
cos82=
cos30=
Right Triangle Trigonometry - SohCahToa
sin5=
sin68=
sin30=
tan22=
tan75=
tan30=
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