If tana+sina=m and tana-sina=n, show that m2-n2 = 4mn, Mathematics

If tanA+sinA=m and tanA-sinA=n, show that m2-n2 = 4√mn

Ans:    TanA + SinA = m       TanA - SinA = n.

m2-n2=4√mn.

m2-n2= (TanA + SinA)2-(TanA - SinA)2

= 4 TanA SinA

RHS 4√mn  = 4   1111_tan.png

1015_equation.png

= 4 sin2A/cos2 A = 4Tan A sin A

m2-n2=4√mn

Posted Date: 4/9/2013 1:18:31 AM | Location : United States







Related Discussions:- If tana+sina=m and tana-sina=n, show that m2-n2 = 4mn, Assignment Help, Ask Question on If tana+sina=m and tana-sina=n, show that m2-n2 = 4mn, Get Answer, Expert's Help, If tana+sina=m and tana-sina=n, show that m2-n2 = 4mn Discussions

Write discussion on If tana+sina=m and tana-sina=n, show that m2-n2 = 4mn
Your posts are moderated
Related Questions
Probability - Applications of integrals In this final application of integrals that we'll be looking at we are going to look at probability.  Previous to actually getting into

Example  Suppose the demand and cost functions are given by          Q = 21 - 0.1P and C = 200 + 10Q Where,          Q - Quantity sold

A 4-input Neuron has weights (1,-1,  0,  0.5.Calculate the network output when the following input vectors are applied. For calculation assume: a. f(net) = unipolar bina

We desire to construct a box whose base length is three times the base width. The material utilized to build the top & bottom cost $10/ft 2 and the material utilized to build the

a.      Random or probability sampling methods they involve: Simple random sampling Systematic sampling Stratified sampling Multi stage sampling   b.

Q. Illustrate Field Properties of Numbers? Ans. What the  associative law of addition  states is this: for any numbers a, b, and c,

With reference to Fig. 1(a) show that the magnification of an object is given by M=SID/SOD. With reference to Fig. 1(b) show that the size of the penumbra (blur) f is given by f

i do not understand the rules for adding and subtracting integers, nor do i understand how to multiply and divide

5 2 ----- - ----- x-1 x+1 -------------------- x 1 ----- + ----- x-1 x+1

Q. There are 10 students on the school debating team. How many different ways can the team choose a president and a secretary? Ans. There are 10 choices for the president