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Dr. NGILAZI BANDA's user avatar
Dr. NGILAZI BANDA's user avatar
Dr. NGILAZI BANDA's user avatar
Dr. NGILAZI BANDA
  • Member for 11 years
  • Last seen more than 1 year ago
13 votes
2 answers
2k views

Evaluate $\cos 18^\circ$ without using the calculator

6 votes
4 answers
196 views

How to determine the number removed from the list [duplicate]

5 votes
1 answer
330 views

Sum of the arctangents of roots of a cubic equation (multiple choice)

3 votes
3 answers
318 views

How do I write a sum of cosines as a product of sines?

3 votes
3 answers
251 views

A prettier way of on how to prove the identities [duplicate]

2 votes
4 answers
121 views

Is this identity provable? [closed]

2 votes
2 answers
254 views

Prove or disprove $\frac{\sqrt{1+\tan x}}{\cot x} = \frac{1+\sin x}{\cos x}$

2 votes
2 answers
278 views

Integration by reduction

2 votes
1 answer
59 views

How to show the limit by definition

2 votes
0 answers
76 views

Integral of f(x)

2 votes
2 answers
99 views

General solution for trigonometry equation

2 votes
2 answers
909 views

Evaluate the integral by type1 or type 2

1 vote
0 answers
23 views

Find an equation belonging to the same coaxal system

1 vote
1 answer
76 views

Questions on vectors

1 vote
1 answer
84 views

Prove that 3S=2Q+P for a geometric progression

1 vote
0 answers
123 views

Is subtraction a binary operation on $S$

1 vote
2 answers
123 views

showing the equation is true [closed]

1 vote
2 answers
605 views

How to integrate by reduction method

1 vote
1 answer
429 views

Formula for the gradient of $F(\rho,\phi,z)$

1 vote
2 answers
138 views

The general solution to the differential equation

0 votes
1 answer
53 views

Evaluating an integral using a gamma function

0 votes
1 answer
2k views

Distribution of the difference of order statistics

0 votes
4 answers
6k views

Which function is appropriate for the geometrical shape mostly used as LOVE symbol

0 votes
1 answer
201 views

How to find the cdf of $U=y-x$

0 votes
1 answer
3k views

How to find the square of a linear transformation

0 votes
0 answers
38 views

show that $y$ and $x$ can be expressed as a function of $x$ alone in the neighbourhood of the point $(2,1,-1)$

0 votes
1 answer
5k views

How to determine the maximum rate of increase in temperature

0 votes
1 answer
69 views

Solving the equation for $x$ given that $x \in \mathbb{R}, x > 0$

0 votes
1 answer
90 views

Divisibility by induction

0 votes
1 answer
1k views

How to interpret the venn diagram and answer the two questions on sets