Sharp EL-9600 User Manual page 74

NAME _____________________________________________________ CLASS __________ DATE __________
5.2
INVERSE TRIGONOMETRIC FUNCTIONS
To compute the inverse sine function in radians:
1. Turn the calculator on and press
home screen.
2. Change to radian mode by pressing 2ndF
double touching 2 Rad. Press 2ndF
-1
3. Find sin (.4), press 2ndF
radians is shown below. To find the result in terms of
ENTER .
To graph the inverse cosine function in radians:
1. Press Y=
-1
2. Enter cos
3. Set your viewing window by pressing ZOOM , touching E TRIG, and double
touching 5 cos
70 Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
-1
sin
CL to access and clear the Y1 prompt.
x for Y1 by pressing 2ndF
-1
x.
+ –
CL to access and clear the
SET UP , touching B DRG,
QUIT to exit the menu.
• 4 ENTER . The answer of .4115
-1
cos X/ /T/n
press ÷ 2ndF
ENTER .