Evaluate the following trigonometric expressions.

[Pages:2]Trigonometric Expressions

Name:____________________________

Date:_____________________

Evaluate the following trigonometric expressions.

1)

sin-1(cos ())

4

2)

sin-1(4cos (11))

5

2

3)

cos-1(tan (5))

4

4)

cot-1( 2 sin (5))

3

6

5)

sin-1( 3 cot (3))

2 3

4

6)

sin-1(tan (-9))

4

7)

sin-1(1cos ())

2

8)

tan-1(cos ())

2

9)

cosec-1(cos (4))

2

10)

cot-1(2sin (-6))

9

11)

sec-1(-sin (4))

6

12)

cot-1(-sin (3))

6



Trigonometric Expressions

Name:____________________________

Date:_____________________

Evaluate the following trigonometric expressions.

1)

sin-1(cos ())

4

2)

sin-1(4cos (11))

5

2

3)

cos-1(tan (5))

4

4

0

0

4)

cot-1( 2 sin (5))

3

6

3

7)

sin-1(1cos ())

2

-6

5)

sin-1( 3 cot (3))

2 3

4

-3

8)

tan-1(cos ())

2

0

6)

sin-1(tan (-9))

4

-2

9)

cosec-1(cos (4))

2

2

10)

cot-1(2sin (-6))

9

5 6

11)

sec-1(-sin (4))

6

-6

12)

cot-1(-sin (3))

6

3 4



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