If cos (α+β) =0, then sin(α−β), can be reduce to
Sin 2 α
Cos 2 α
Cos 2 β
Cos β
What is the value of sin 90?
8
1
6
3
Which of the following is the exponential form of log a c = b?
Theoretical formula
Difference of square formulas
Same square formula
Basic formula
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
Which of the following lines passes through the point (2, 5)?
y=2x+5
y=2x+1
y=2x−1
y=4x−2
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
If x is real then the minimum value of (x2-x-1) is______.
0
3/4
-5/4
1
Sum of the factors of 4b2c2-(b2+c2-a2)2 is________.
0
a+b+c
2(a+b+c)
1
If a-b=1 and a3-b3=61, then the value of a*b is_______.
30
-20
20
60
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]
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
If {(2 sin θ – cos θ) / (cos θ + sin θ)} = 1, then the value of cot θ is_____.
2
3
1/2
1/3
If cot {(π / 2) – θ} = √3, then the value of cos θ is______.
1
1/2
1/6
0
The value of sin (45° + θ) – cos (45° – θ) is______.
2 sin θ
2 cos θ
0
1
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
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