S.E.E. Solution

Wednesday, July 3, 2019

Q. Prove that: sec2A+tan2A=tan(45+A)

L.H.S. = 1 / cos(2a) + sin(2a) / cos(2a) = (1 + sin(2a)) / (cos(2a)) = (sin^2(a) + cos^2(a) + 2 * sin(a) * cos(a)) / (cos^2(a) - sin^...

Saturday, May 18, 2019

Q. Prove that: (2cos2A-1)(2cos2A+1)(2cos4A-1)(2cos8-1)=2cos16A+1

Saturday, May 11, 2019

Q. Prove that: 4(cos^4A+sin^4A)/(cos^4A-sin^4A)=(3+cos4A)Sec2A

Friday, December 28, 2018

9. Write a program to count the number of words in a sentence.

CLS INPUT "ENTER ANY STRING"; S$ WC = 1 FOR I = 1 TO LEN(S$) B$ = MID$(S$, I, 1) IF B$ = " " THEN WC = WC + 1 ...

11. Write a progra to find whether the supplied word is palindrome or not. A word is called palindrome, if it reads the same from both the sides. (e.g. MADAM)

CLS INPUT "Enter a word:"; w$ FOR i = LEN(w$) TO 1 STEP -1 m$ = MID$(w$, i, 1) rev$ = rev$ + m$ NEXT i PRIN...

Sunday, July 22, 2018

Gita can do a piece of work in 3 days which can done by sita in 4 days .if sita can do a piece of work in 5 days which can done by rita in 6 days ,,in how many dayd will gita can do a work can be done by rita 16days?

Thursday, March 29, 2018

Prove that: (sec^2A+1)(sec^4A+1)(sec^8A+1)=tan8A.cotA

Soln:

Thursday, March 22, 2018

Are you appearing in S.E.E. exams? Don't forget to follow the following tips:

"Hard work always does not give you best result, sometimes if you ignore simple work you may even get worst result." So, foll...

Sunday, March 18, 2018

The sum of the digits of two-digits number is 10. If 18 is added to the number , its digits are reversed. Find the number.

Soln: Let the two digits number = 10x +y where tens place digit = x units place digit = y according to the first condition x+y = 10......

The sum of present ages of a brother and his younger sister is 16 years . If the product of their ages is 63. Find their ages.

soln: Let the present age of brother = x and the present age of sister = y according to the first condition x + y = 16 or x = 16 - y ....