sin^6 A + cos^6 A= 1 - 3sin^2 A.cos^2 A

Printable View

- February 21st 2010, 07:06 AMsnigdhaProving indentity..
sin^6 A + cos^6 A= 1 - 3sin^2 A.cos^2 A

- February 21st 2010, 07:42 AMSoroban
Hello, snigdha!

Quote:

Prove: .

. . . . . .

Add and subtract

. . .

. .

. . . . . . . . . . . . .

- February 21st 2010, 08:00 AMsnigdha