Category Archives: Mathematics Education
Why does cos^2x+sin^2x=1
In above video, we have prove cos^2x+sin^2x=1. It could only possible because square of hypotenuse side is always equal to the sum of square of opposite side and square of adjacent side. .
Basic Formulas of Trigonometry – Part 1
In this part of Basic Formulas of Trigonometry, we have explain the 6 functions sin, cos, tan, cosec, sec and cot. Out of three Sin, Cos, Tan are the main. These all functions are tells us the relationship between any two side of any triangle. .
Subtraction Without Borrowing
With taking two examples, I am trying to teach you the subtraction without borrowing.
Word Problem of Addition
Today, I will teach you the solution of word problem of addition.
Which of the following Sampling Method is Based on Probability
(A) Convenience Sampling
(B) Quota Sampling
(C) Judgement Sampling
(D) Stratified Sampling
Answer : (D)
Explanation : Probability means the chance of happening or not happening of any event. For example, have 100 tickets in the box. In hundred tickets, one ticket is of Rs. 10,00,000, price. .
If MOHAN is Represented by the Code KMFYL, then COUNT will be Represented by
(A) AMSLR
(B) MSLAR
(C) MASRL
(D) SAMLR
Answer : (A)
Explanation
Write all the english letter
ABCDEFGHIJKLMNOPQRSTUVWXYZ
We Say MOHAN as KMFYL
it means
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
From .
Average of averages
The number of observations in a group is 40. The average of the first 10 numbers is 4.5 and the average of the remaining 30 members is 3.5. The average of the whole group is
(A) 4 (B) 15/2 (C) 15/4 (D) 6
Answer : (C)
Explanation :
= Average of first members X 10 + Average .
Order Property of Addition
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This basic maths tutorial has been made by our .
Addition with Carrying
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We are teaching 4th and 5th Class Maths. Vikram .
Addition without Carrying
We are teaching 4th and 5th Class Maths. Vikram Kumar is our teacher. He will teach, the addition without carrying with two simple examples.
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Prof. Vinod Kumar has received the post graduate degree in Commerce from ...