Free Printable Review the Trigs

1.

Arccos( cos(4) ) = ?

a)

4

b)

π - 4

c)

4 - π

d)

2π - 4

e)

-4

2.

If 2(cosθ + i sinθ) =1 + √3 i, then θ can be ?

a)

30⁰

b)

300⁰

c)

-30⁰

d)

-300⁰

3.

log_√3( tan 30⁰) = ?

a)

-1

b)

0

c)

1

d)

not an integer

4.

$\frac{\text{tan40}\degree}{\text{1}-\tan^240\degree}$ = ?

a)

tan 80 $\degree$

b)

$\frac{1}{2}$ tan 80 $\degree$

c)

tan 20 $\degree$

d)

$\frac{1}{2}$ tan 20 $\degree$

5.

Which of the function is even?

a)

3 + sin x

b)

1-2cos x

c)

cot (5x)

d)

2^x

6.

As θ increases from 0 to π, which of these functions decreases from 1 to −1 ?

a)

1+ sin θ

b)

cos θ

c)

tan θ

d)

sec θ

7.

How manycycles will the function have from 0 to 2π ? $\left|3\cos\left(\frac{1}{2}x\right)\right|$

a)

0

b)

1

c)

2

d)

3

8.

Determine the value of cscθ for the angle in standard position that passes through point (-3, -4).

a)

$-\frac{5}{4}$

b)

$\frac{4}{3}$

c)

$-\frac{5}{3}$

d)

$\frac{5}{4}$

e)

$\frac{5}{3}$

9.

Determine the number of solutions possible if ∠A in triangle ABC is obtuse, and if a≤b.

a)

0

b)

1

c)

2

d)

3

10.

in what type of triangle does hold $\frac{a}{\cos A}=\frac{b}{\cos B}$ ?

a)

Equilateral

b)

Isosceles

c)

30-60-90 right triangle

d)

right triangle with side lengths 3, 4, 5

11.

a)

329 ft

b)

574 ft

c)

601 ft

d)

3298 ft

12.

Which of the following makes the function reach its maximum? $f\left(x\right)=\sin^2x-2\sin x+4$

a)

0

b)

pi/2

c)

pi

d)

3pi/2

13.

Which of the following(s) are within the domain of the function $\tan\left(\ln\left(\cos x-2^x\right)\right)$

a)

-3

b)

-1

c)

0

d)

2

e)

4

14.

(3 + 4i)(3 - 4i)

a)

-1

b)

5

c)

7

d)

25

Review the Trigs

Total questions: 14

Worksheet time: 8mins

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