Inverse Trigonometric Functions; Calculator Activity - Sharp EL-W516B Operation Manual

INVERSE TRIGONOMETRIC FUNCTIONS

OBJECTIVE: To perform operations with inverse trigonometric functions.
1. Find
STEP 1: Set the angular units to degrees by pressing
STEP 2: Enter
STEP 3: Calculate the answer by pressing
2. Find
STEP 1: Set the angular units to degrees by pressing
STEP 2: Enter
STEP 3: Calculate the answer by pressing
3. Find
STEP 1: Set the angular units to radians by pressing
STEP 2: Enter
STEP 3: Calculate the answer by pressing

Calculator Activity


tan 
in degrees when
.
1 
tan ) 1 (
by pressing

cos 
in degrees when
.
1 
cos ) 1 (
by pressing
 sin 
in radians when
.
2
1 
sin ( )
by pressing
2
22

1
.

0
.
2

2
.
.
.
.