Sharp EL-W516B tan, tan, (1), cos, cos, (1), sin, sin

Calculator Activity

INVERSE TRIGONOMETRIC FUNCTIONS

OBJECTIVE: To perform operations with inverse trigonometric functions.

1. Find  in degrees when tan  1

STEP 1: Set the angular units to degrees by pressing

.

STEP 2: Enter tan 1 (1) by pressing .

STEP 3: Calculate the answer by pressing .

2. Find  in degrees when cos  0

STEP 1: Set the angular units to degrees by pressing

.

STEP 2: Enter cos1 (1) by pressing .

STEP 3: Calculate the answer by pressing .

3. Find  in radians when sin  22

STEP 1: Set the angular units to radians by pressing

.

STEP 2: Enter sin 1 ( 22 ) by pressing

.

STEP 3: Calculate the answer by pressing .

22