In any triangle ABC, prove that
[(b^2-c^2)/a^2]sin2A +[(c^2-a^2)/b^2]sin2B +[(a^2-b^2)/c^2]sin2C = 0
Question
an observers standing 40m from a building observes that the angle of elevation of the top and bottom of a flagstaff which is surmounted on the building are 60° and 45° respectively find the height of the tower and the length of the flagstaff
Maths
Aug. 26, 2018, 4:44 p.m.
Answer
Minimise and maximize z=600x+400y
X+ 2y=12
2x+y=12
4x+5y=20&X=0,y=0 by graphical method
If A= (1 2) find the value of k if 2(A)=K(A) with
(4 2)
Determinant method
(4 2)
Determinant method
In the figure qr is the common tangent to given circles which meet at t tangent at t meets qr
If R be a relation from N to N defined by R={(x,y):4x y=12, x,y £ N}