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HP 6s scientific functions

Introduction
This document gives examples of performing trigonometric functions with the HP 6s calculator.
Calculator symbol key
The procedures in this document use the following text to represent symbol keys:
Key
Description
Text representation
Square root
SQRT
Divide
divide
pi
pi
Trigonometric functions
  note:
Press DRG to switch between RAD, DEG, and GRAD
Keys
Display
Function
Press DRG to toggle to RAD Press INV, pi, divide, 6, [=], then sin
RAD 0.5
sin (pi/6 RAD) =
Press DRG to toggle to DEG Press 63 [.], 5241, DEG Press COS
DEG 63.87805556 DEG 0.440283084
cos 63 degrees 52'41" =
Press DRG to toggle to GRAD Press 35 [+/-], then tan
GRAD -0.612800788
tan (-35 grad) =
Press DRG to toggle to DEG Press 2, x, 45, sin, x, 65, COS, then, [=]
DEG 0.597672477
2 x sin 45 degrees x cos 65 degrees = DEG
Press DRG to toggle to DEG Press, 30, tan, then 1/x
DEG 1.732050808
cot 30 degrees = 1/tan 30 degrees =
Press DRG to toggle to RAD Press INV, pi, divide, 3, [=], COS, then 1/x
RAD 2.
sec (pi/3 rad) = cos 1/(pi/3 rad)
Press DRG to toggle to DEG Press 30, sin, then 1/x
DEG 2.
cosec 30 degrees 1/(= sin 30 degrees)
Press DRG to toggle to RAD Press INV, SQRT, divide, 2, [=], INV then cos-1
RAD 0.785398163
cos SQRT 2/2
Press DRG to toggle to DEG Press [.]. 6104, INV, then tan-1Press INV, then DMS
DEG 31.39989118 DEG 31degrees 23'59.6"
tan-10.6104 =

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