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Unit 6 Trigonometric Ratios
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Gravity
Terms in this set (16)
Tangent
Tan
Sine
Sin
Cosine
Cos
SOH
Sin=Opposite/Hypotenuse
CAH
Cos=Adjacent/Hypotenuse
TOA
Tan=Opposite/Adjacent
Inverse functions
To find missing angles
inverse sine
An inverse trigonometric ratio abbreviated as sin-1
inverse tangent
an inverse trigonometric ratio, abbreviated as tan-1
inverse cosine
an inverse trigonometric ratio, abbreviated cos-1
SOHCAHTOA
SIN (Opposite/Hypotenuse) COS (Adjacent/Hypotenuse) TAN (Opposite/Adjacent)
angle of elevation
the angle formed by a horizontal line and a line of sight to a point above
angle of depression
the angle formed by a horizontal line and a line of sight to a point below
Inverse Trigonometric Ratios
When given the sine or cosine ratio of an angle is known, the angle measure can be determined using inverse operations.
degree mode
To put calculator in degree mode; click mode, then click down twice and right so that degree is flashing and press enter
Cosine
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