Dr. NGILAZI BANDA's user avatar
Dr. NGILAZI BANDA's user avatar
Dr. NGILAZI BANDA's user avatar
Dr. NGILAZI BANDA
  • Member for 10 years, 8 months
  • Last seen more than 1 year ago
13 votes
2 answers
2k views

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

5 votes
1 answer
326 views

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

5 votes
4 answers
192 views

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

3 votes
3 answers
310 views

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

2 votes
0 answers
76 views

Integral of f(x)

2 votes
2 answers
98 views

General solution for trigonometry equation

2 votes
3 answers
244 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
251 views

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

2 votes
2 answers
277 views

Integration by reduction

2 votes
1 answer
59 views

How to show the limit by definition

2 votes
2 answers
908 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
0 answers
123 views

Is subtraction a binary operation on $S$

1 vote
2 answers
122 views

showing the equation is true [closed]

1 vote
2 answers
603 views

How to integrate by reduction method

1 vote
1 answer
422 views

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

1 vote
2 answers
135 views

The general solution to the differential equation

1 vote
1 answer
76 views

Questions on vectors

1 vote
1 answer
84 views

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

0 votes
1 answer
1k views

How to find the surface area of an egg? [duplicate]

0 votes
2 answers
90 views

Find digits $x$, $y$, $z$, and $p$ such that $(xyzp)_{10}=4\cdot (pzyx)_{10}$

0 votes
1 answer
45 views

Pie chart presentation and estimates of packets

0 votes
2 answers
164 views

Find the ages of the three

0 votes
1 answer
61 views

How to design a quantitative research topic based on effects of learning aids on learning mathematics at university

0 votes
1 answer
46 views

Finding the probability

0 votes
0 answers
73 views

Question about $t$-distribution

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