If radii are interchanged it means fist 3 and 5 then length be x and 4-x .how to solve

prove that .sin5x-2sin3x+sinx/cos5x-cosx=tanx

1. Pb

Explain theorem 10.5 of circles chapter 10 of class 9 cbse - only one and only circle passes through 3 non collinear points

Find the point on the curveY2=4x which is nearest to the point (2,1)

STOCK TRANSFER ENTRY 

write down the suitable mathematical statement

Sir

if get tax invoice with discount  how to treat discount in GST

Format of Bill of supply for composition dealer

Sir please mujhe ye bataye ke agra hamari company main employe kam karta hai hum use salary dete ho tau uske nam ko kis head or group me le jayenge 

accounting

Ex 4.3 ,4 
In easy way

If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b, then show that 1/p^² =1/a² + 1/b²   - in simplified form please

STRAIGHT LINE

Divide the polynomial x⁴-5x+6 by (2-x²) and verify the result by division algorithms 

lines and angles

Linear equation in two variable chapter no 4 question no 8 please give the solution of all parts

BE and CF are two equal altitudes of a triangle ABC . Using RHS congruence rule , prove that the triangle ABC is isosceles .