Sharp EL-W535B tan, cos, tan, (1), 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 			2
			2
STEP 1: Set the angular units to radians by pressing				.
STEP 2: Enter sin 1 (		) by pressing
	2
2

.

STEP 3: Calculate the answer by pressing .

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