# 11th Class Math MCQS Chapter 9

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sec (-9/2?) =
?
0
1
None of these

57.296°
58.296°
45°
50°

Angle with same initial and terminal points is called
Co-terminal angle
Standard angle
Right angle

When the terminal line lies on the x-axis or the y-axis the angel 0 is called a
Vertical angle
Standard angle
horizontal angle

Sin2 ?/ + Sin2 ?/3 +tan2 ?/4=
3
1
0
2

Two rays with common starting point forms
An angle
A triangle
A light line
A rectangle

0 +360k where k ?z is conterminal with:
0
??
20
2k?

If 0 = 80o then sign cot0 is
Negative
Both (a) and (b)
Zero
Positive

The word trigonometry is derived from three
Latin words
English words
Greek words
German words

The vertex of an angle in standard form is at:
(1,0)
(1,1)
(0,0)
(0,1)

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