User`s guide

At a Glance...20
Trigonometric Functions
Table 1-34 Trigonometry keys
Find Sin =.62 in degrees. If RAD is displayed, press ]3.
Keys Description
] c, R, or C
Calculates sine, cosine, and tangent.
]o
c, R, or C
Calculates inverse sine, inverse cosine,
and inverse tangent.
]r
c, R, or C
Calculates hyperbolic sine, cosine and
tangent.
]ro
c, R, or C
Calculates inverse hyperbolic sine,
cosine, and tangent.
]3
Toggles between radians and degrees
modes. Degrees is the default setting.
Table 1-35 Trigonometry example
Keys Display Description
7SG
.62
Enters value of sine for
.
]oc
38.32
Calculates
.
θ
θ
θ