Preview (15 questions)
1 Question
před 30 sekundami
Q.

If cos (α+β) =0, then sin(α−β), can be reduce to


Sin 2 α

Cos 2 α

Cos 2 β

Cos β

2 Question
před 30 sekundami
Q.

What is the value of sin 90?


8

1

6

3

3 Question
před 30 sekundami
Q.

Which of the following is the exponential form of log a c = b?


Theoretical formula

Difference of square formulas

Same square formula

Basic formula

4 Question
před 30 sekundami
Q.

Which of the following pairs could be the length and width of the rectangle?


4x and 6x

4 and 6-x

2 and 2x-3

2x and 2x-3

5 Question
před 30 sekundami
Q.

Which of the following lines passes through the point (2, 5)?


y=2x+5

y=2x+1

y=2x−1

y=4x−2

6 Question
před 30 sekundami
Q.

Which of these lines is parallel to the line 2y=X+7?


y=x 1/2 x-9

2y=3x+8

y=2x−2

3y=x+7

7 Question
před 30 sekundami
Q.

If x is real then the minimum value of (x2-x-1) is______.


0

3/4

-5/4

1

8 Question
před 30 sekundami
Q.

Sum of the factors of 4b2c2-(b2+c2-a2)2 is________.


0

a+b+c

2(a+b+c)

1

9 Question
před 30 sekundami
Q.

If a-b=1 and a3-b3=61, then the value of a*b is_______.


30

-20

20

60

10 Question
před 30 sekundami
Q.

What is the value of sin 15º?


√[(1 - cos x)1

(√3 - 1)/2√2*

(sin θ + cos θ)2 = 11

√[(1 - cos x)/2]

11 Question
před 30 sekundami
Q.

If sin A = 3/5, then find the value of cos A and cot A?


Sin A= 4/8

Sin A= 9/7

Sin A= 7/6

Sin A= 3/5

12 Question
před 30 sekundami
Q.

If {(2 sin θ – cos θ) / (cos θ + sin θ)} = 1, then the value of cot θ is_____.


2

3

1/2

1/3

13 Question
před 30 sekundami
Q.

If cot {(π / 2) – θ} = √3, then the value of cos θ is______.


1

1/2

1/6

0

14 Question
před 30 sekundami
Q.

The value of sin (45° + θ) – cos (45° – θ) is______.


2 sin θ 

2 cos θ

0

1

15 Question
před 30 sekundami
Q.

If cot A + cosec A = 3 and A is an acute angle, then the value of cos A is_________.


4/5

9

1

1/2