Fawad's user avatar
Fawad's user avatar
Fawad's user avatar
Fawad
  • Member for 7 years, 7 months
  • Last seen more than a month ago
  • India
13 votes

Why is the solution to $x-\sqrt 4=0$ not $x=\pm 2$?

8 votes

how to evaluate $\tan x-\cot x=2$

5 votes

Zero determinant for a 12×12 matrix

3 votes
Accepted

Write as a single trigonometric function: $\dfrac{2\tan4θ}{5-5\tan^24θ}$

3 votes

$(r_1 − r) (r_2 − r)(r_3 − r) = 4 Rr^ 2 $

3 votes
Accepted

Find the real part in a complex number

2 votes

Converse Truth Table

2 votes

How to simplify derivatives

2 votes
Accepted

Find value for $x$ at a known $y$ on a line

2 votes

How do you express $\dfrac 1{1+x}$ as an infinite polynomial?

2 votes
Accepted

Simple log equality

2 votes
Accepted

The value of $\cos 0^\circ.\cos 1^\circ.\cos 2^\circ.....\cos 170^\circ$ is..

1 vote

Properties of inverse Matrices

1 vote

Trigonometric equation $\cos (5x) = \sin (x)$ - How to find $5x$?

1 vote

Find parameter in trigonometric equation

1 vote

Prove that for any triangle: $(a-b) \cos \hat{C} = c(\cos\hat{B}-\cos \hat{A}) \Rightarrow a = b , \hat{A} = \hat{B}$

1 vote

Calculate Cos a

1 vote
Accepted

Inverse Matrix Another method?

1 vote

How do you solve $y=ax^2-ax+b$ for $x$?

1 vote
Accepted

The period of this signal?

1 vote

Quick Logs question - Use $\log_{24} 12$ to find $\log_{24} 2$

1 vote

Which symbol can be used to refer to identity matrix?

1 vote

How to derive $ \sin(2x) =\frac{1}{ \sqrt{1 + \cot^2(2x)} }$?

1 vote

Proving $i^{x+2} = i^{x+1} + i^x$

0 votes

Find inclination to $z$-axis based on inclination to $x$ and $y$ axes

0 votes

Is $\frac{x-|x|}{x}$ continuous?

0 votes

Show $\sin(\pi(1-s)) = \sin(\pi s)$.

0 votes

How can I solve $\tiny\begin{cases} \dfrac{dx}{dt} = t^2 x^2 y\\ \dfrac{dy}{dt} = -t^2 y^2 x \end{cases}$?

0 votes

The hypotenuse of an isosceles right angled triangle has its ends at the

0 votes

Calculate $\lim_{x \to 2} \left(\frac{1}{x-2}\cdot 2\ln(\frac{2}{x})\right)$