1) The document contains a math worksheet with trigonometric functions to evaluate at given values and find related values. 2) It asks to evaluate functions, find specific values of functions at given inputs, and determine the value of a variable if a function is equal to an expression. 3) The answers are provided to check the work.

1. Printable Worksheets @ www.mathworksheets4kids.com
Name:
Sheet 1
Evaluate each function at the specified value.
A)
Evaluate each function.
B)
D)
C) If ( ) = 4sin + 3sec ; find the following.
If ( ) = tan cot2 ; find the following.
1) (
) = sec2
cot2
; find 2)
1) (
) = cosec
+ tan 2
;
=
π
2
2)
=
=
1)
3)
(0) =
–
– =
2)
4)
π
4
=
=
1)
3) +
π
6
π
4
=
=
4)
(
) = sin 2
– 3cos
;
= π
3π
4
2π
3
7π
6
2π
3
5π
4
7π
4
7π
4
.
.
π
6
–
(
) =
4sin
tan3
; find
i) iv)
ii) iii)
– 1
– 2
2) – 3
5
2 –
π
3
5π
6
6
2π
3
–
√ – 1
2
√ + 3
2
√
+ 1
2
√
Evaluating Trigonometric Functions
E) What is the value of , if ( ) = 2sin – tan ?
–

2. Printable Worksheets @ www.mathworksheets4kids.com
Name:
Sheet 1
Answer key
Evaluate each function at the specified value.
A)
Evaluate each function.
B)
D)
C) If ( ) = 4sin + 3sec ; find the following.
If ( ) = tan cot2 ; find the following.
1) (
) = sec2
cot2
; find 2)
1) (
) = cosec
+ tan 2
;
=
π
2
2)
=
=
1)
3)
(0) =
–
– =
2)
4)
π
4
=
=
1)
3) +
π
6
π
4
=
=
4)
8
–18
(
) = sin 2
– 3cos
;
= π
3
2
3π
4
2π
3
7π
6
2π
3
5π
4
7π
4
7π
4
.
.
π
6
–
(
) =
4sin
tan3
; find
i) iv)
ii) iii)
– 1
– 2
2) – 3
5
2 –
π
3
5π
6
6
2π
3
–
√
5 2
√
+ 3)
–2( 3
√
3
)
2(1 – 3
√
1
18
3
√
1 + 3
√
3
2
– 1
2
√ + 3
2
√
+ 1
2
√
Evaluating Trigonometric Functions
E) What is the value of , if ( ) = 2sin – tan ?
–