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Calculator Activity
INVERSE TRIGONOMETRIC FUNCTIONS
OBJECTIVE:
To perform operations with inverse trigonometric functions.
1.
Find
in degrees when
1
tan
STEP 1: Set the angular units to degrees by pressing
.
STEP 2: Enter
)
1
(
tan
1
by pressing
.
STEP 3: Calculate the answer by pressing
.
2.
Find
in degrees when
0
cos
STEP 1: Set the angular units to degrees by pressing
.
STEP 2: Enter
)
1
(
cos
1
by pressing
.
STEP 3: Calcul
ate the answer by pressing
.
3.
Find
in radians when
2
2
sin
STEP 1: Set the angular units to radians by pressing
.
STEP 2: Enter
)
2
2
(
sin
1
by pressing
.
STEP 3: Calculate the answer
by pressing
.
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