wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

trigonometric functions

Total questions: 17

Worksheet time: 14mins

Name
Class
Date
1.

What is the sign of the function

 sin100\sin100  

a)

negative

b)

0

c)

positive

d)

undefined

2.

What is the sign of the function

 tan253\tan253  

a)

negative

b)

0

c)

positive

d)

undefined

3.

What is the sign of the function

 cos220\cos220  

a)

negative

b)

0

c)

positive

d)

undefined

4.

What is the sign of the function

 cot190\cot190  

a)

negative

b)

0

c)

positive

d)

undefined

5.

What is the sign of the function

 tan310\tan310  

a)

negative

b)

0

c)

positive

d)

undefined

6.

What is the sign of the function

 sec280\sec280  

a)

negative

b)

0

c)

positive

d)

undefined

7.

What is the sign of the function

 cot80\cot80  

a)

negative

b)

0

c)

positive

d)

undefined

8.

What is the sign of the function

 sin160\sin160  

a)

negative

b)

0

c)

positive

d)

undefined

9.

What is the sign of the function

 cosec250\operatorname{cosec}250  

a)

negative

b)

0

c)

positive

d)

undefined

10.

What is the sign of the function

 cos300\cos300  

a)

negative

b)

0

c)

positive

d)

undefined

11.

Which of the following is true?


(there are more than one answer)

a)

sinx=1cosecx\sin x=\frac{1}{\operatorname{cosec}x}

b)

cotx.tanx=1\cot x.\tan x=1

c)

secx.cotx=cosx\sec x.\cot x=\cos x

d)

sin2xcos2x=1\sin^2x-\cos^2x=-1

e)

cosec2x+sec2x=sec2x.cosec2x\operatorname{cosec}^2x+\sec^2x=\sec^2x.\operatorname{cosec}^2x

12.

 sin(πx)=?\sin\left(\pi-x\right)=?  

a)

 sinx-\sin x  

b)

 cosx\cos x  

c)

 sinx\sin x  

d)

 cosx-\cos x  

13.

 sin(π2+x)=?\sin\left(\frac{\pi}{2}+x\right)=?  

a)

 sinx-\sin x  

b)

 cosx\cos x  

c)

 sinx\sin x  

d)

 cosx-\cos x  

14.

 cos(3π2+x)=?\cos\left(\frac{3\pi}{2}+x\right)=?  

a)

 sinx-\sin x  

b)

 cosx\cos x  

c)

 sinx\sin x  

d)

 cosx-\cos x  

15.

 tan(3π2x)=?\tan\left(\frac{3\pi}{2}-x\right)=?  

a)

 tanx-\tan x  

b)

 cotx\cot x  

c)

 tanx\tan x  

d)

 cotx-\cot x  

16.

 tan(3π2+x)=?\tan\left(\frac{3\pi}{2}+x\right)=?  

a)

 tanx-\tan x  

b)

 cotx\cot x  

c)

 tanx\tan x  

d)

 cotx-\cot x  

17.

 tan(3π2x).cot(π2+x)+sin2(π2x)1cos(π+x)\frac{\tan\left(\frac{3\pi}{2}-x\right).\cot\left(\frac{\pi}{2}+x\right)+\sin^2\left(\frac{\pi}{2}-x\right)}{1-\cos\left(\pi+x\right)}  

a)

 1cosx-1-\cos x  

b)

 1cosx1-\cos x  

c)

 1sinx1-\sin x  

d)

 cosx1\cos x-1  

e)

 1+sinx1+\sin x