Visualisation of Trigonometric Ratios Using a Unit Circle
Trending Questions
Q.
State whether the given statement is true or false:
cot(90-θ) = tan θ
True
False
Q.
What is the value of 45 degrees if the value of 180 degrees is equal to pi?
pi/4
pi/2
pi
3pi/4
Q.
11+tan2θ+11+cot2θ=
-1
0
1
2
Q. The trigonometric equations which hold true for any value of the angle are known as ____________ .
- trignometric ratios
- trignometric angles
- trignometric identities
- trignometric compliments
Q.
In triangle ABC, right angled at B, if ∠A is made larger and larger till it becomes 90∘, what can you say about AC and AB if BC = 1 unit?
0, 1
1, 1
1 , 0
0, 0
Q.
Simplify :
4(1 – sin2θ) (1 + tan2θ)
4
1
2
0
Q. For any value of θ, sin2θ+cos2θ= _______ .
- 12
- 1
- 0
- 2
Q.
If 7 sin2θ+3cos2θ=4, then sec θ+cosec θ is equal to
2√3−2
2√3+2
2√3
None of these
Q.
If sinθ+sin2θ=1, then find the value of cos4θ+cos2θ−1.
- 2
- 1
- 0
- -1
Q.
If
cosecθ−cotθ=12, 0<θ<90∘,
then cosθ
is equal to
53
35
−35
−53