HP 10bII+ - Trigonometric Functions

32 Getting Started
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, or tangent.
]o
c, R, or C
Calculates inverse sine, cosine, or tangent.
]r
c, R, or C
Calculates hyperbolic sine, cosine or tangent.
]ro
c
, R, or C
Calculates inverse hyperbolic sine, cosine, or
tangent.
]3
Toggles between radians and degrees modes.
Default is degrees.
θ
Table 1-35 Trigonometry example
Keys Display Description
7SG
.62 Enters value of sine
for
.
]oc
38.32 Calculates .
θ
θ