Sharmila Deshmukh

use of trigonometry in various fields

If a(y+z)=b(z+x)=c(x+y) and out of a,b,c no two of them are equal then S.T. y-z/a(b-c)=z-x/b(c-a)...

If x/3x-y-z=y/3y-z-x=z/3z-x-y & x+y+z not eq. to 0 then show that value of each ratio is eq. to 1.

Fill in the blanks.(i) x/7=y/3=3x+5y/......=7x-9y/...... (ii)a/3=b/4=c/7=a-2b+3c/.....=....../6-8+14

If 5m-3n=3m+4n then find the value of the following expressions. (i),(ii)

Solve the following equations (3x-4)^3-(x+1)^3/(3x-4)^3+(x+1)^3=61/189

Solve the following equations. (4x+1)^2+(2x+3)^2/4x^2+12x+9=61/36

Solve the following equatios (4x+1)+(x+3)/(4x+1)-(x+3)=4/1

Solve the following equations. (2x+1)^2+(2x-1)^2/(2x+1)^2-(2x-1)^2=17/8

Solve the following equations. 10x^2+15x+63/5x^2-25x+12=2x+3/x-5

Solve the following equations. x^2+12x-20/3x-5=x^2+8x+12/2x+3

If 15a^2+4b^2/15a^2-4b^2=47/7 then find the values of the following ratios.

If 3a+7b/3a-7b=4/3 then find the value of the ratio 3a^2-7b^2/3a^2+7b^2

If a/b=7/3 then find the values of the following ratios.(i),(ii),(iii),(iv)

(x+3)(x+11)=(x-2)(x+1) then find the value of x.

If 0.04*0.4*a=0.4*0.04*b then find the ratio a/b

If a:b=3:1, b:c=5:1 then find the value of (i)[a^3/15b^2c]^3 (ii) a^3/7bc

If the product of two numbers is 360 and their ratio is 10:9, then find the numbers.

The ratio of two numbers is 31:23 & their sum is 216. Find these numbers.

The ratio of length & breadth of a rectangle is 3:1 & its perimeter is 36cm, Find the length & .....

The ratio of present ages of Albert & Salim is 5:9, Five years hence The ratio of their ages .....

Compare the following pairs of ratios.

ABCD is a parallelogram. The ratio of A & B is 5:4. Find the measure of A & B.

Find the following ratios.

Using the property a/b=ak/bk, fill in the blanks substituting proper numbers in the following.

The ratio of present ages of Rehena & her mother is 2:7. After 2 years the ratio of their ages .....

Present ages of Vatsala & Sara are 14 years & 10 years respectively After how many years ........

The ratio of ages of Aabha & her mother is 2:5. At the time of Aabha's birth her mother's age was ..

Convert the following ratios into percentage.

Three persons can build a small house in 8 days. To build the same house in 6 days how many ......