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Basic trigonometric Flashcards | StudBud
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Basic trigonometric
Basic trigonometric
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1
Who was the founder of trigonometr?
Hipparchus
Issac newton
ben franklin
leonhard Eurler
2
ctg\frac{\pi}{3}=?
\frac{\sqrt{3}}{2}
1
\sqrt{3}
-
3
\tan\pi
-
0
1
\sqrt{3}
4
sin(-330\degree),cos300\degree,tg185\degree,ctg290\degree.Define the symbol for trigonometric expressions.
+,+,-,-.
+,+,+,-.
+,-,+,-.
-,+,-,+.
5
630\degree=?
\frac{7\pi}{2}
\frac{11\pi}{2}
\frac{5\pi}{2}
\frac{9\pi}{2}
6
cos (\frac{\pi}{2}+α)=?
-sinα
-cosα
cosα
\frac{\sqrt{3}}{2}
7
The double-angle formulae are a special case of the sum formulae, where α=β.
False
True
8
Trigonometry
-cos x
-sin x
cos x
sin x
9
sinα=\frac{8}{9}, \frac{\pi}{2}<α<2\pi
IX quarter
III quarter
I quarter
II quarter
10
1020\degree=?
\frac{17\pi}{3}
\frac{17\pi}{2}
\frac{11\pi}{2}
\frac{17\pi}{4}
11
\sinα=-\frac{4}{5},\pi<α<\frac{3\pi}{2}α=?α
=\frac{3}{5}
=-\frac{3}{5}
=\frac{4}{5}
=\frac{3}{4}
12
The trigonometric functions are each listed in the quadrants in which they are negative.
True
False
13
TRIGONOMETRY
C
D
A
B
14
cos(-α)=?
-cosα
0
-sinα
cosα
15
What is trigonometr?
Study of shapes
Study of the measure of triangles
I don't know
Study of the measure of squares
16
Solve the equation.
A
C
D
B
17
\operatorname{ctg}\frac{\pi}{4}+tg\frac{\pi}{4}-\cos\frac{\pi}{2}-\sin\pi=?
=1
=2
=-1
=0
18
Did you like the lesson ?
Very good
Not bad
19
tan(-\frac{5\pi}{6})
\sqrt{3}
1
\sqrt{3}+1
\frac{1}{\sqrt{3}}
20
tanα=\frac{3}{4}, \pi<α<\frac{3\pi}{2} α=?α
-\frac{3}{5}
-\frac{4}{5}
\frac{4}{5}
\frac{3}{5}
21
cos(\frac{\pi}{2}-arccos\frac{5}{13})
-\frac{\pi}{2}
\frac{\pi}{2}
\frac{12}{13}
-\frac{5}{13}
22
The symmetry identities can be used to find the trigonometric functions of negative values.
True
False
23
\sin(\pi-α)=?
-sinα
\cosα
-cosα
\sinα
