Sharp EL-9900 - Manual (Page 11)

9
Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Put the calclator in radian mode by pressing 2ndF SETUP B 2 .
1. Find sin 2.1.
STEP 1: Press to access the calculation screen.
STEP 2: Enter sin 2.1 by pressing MATH
Α 1 2
.
1 .
STEP 3: Calculate by pressing the ENTER key.
The answer is .8632
2. Find cos ( - 1.7).
STEP 1: Enter 3 cos (-1.7) by pressing 3 MATH
Α 2 (−) 1
.
7 .
STEP 2: Calculate by pressing the ENTER key.
The answer is -.3865
3. Find tan 0.
STEP 1: Enter tan 0 by pressing MATH
Α 3 0 .
STEP 2: Calculate by pressing the ENTER key.
The answer is zero.
TRIGONOMETRIC FUNCTIONS
(continued)
Ч
+ –
ч