Question

Prove that

Sin^2x + Cos^2x + 1 = 2Cos^2x + 2Sin^2x

Answer 1

ok, no tan, no sec , right?

Answer 2

answer my question

Answer 3

nope

Answer 4

so, nothing to do with your previous note, right? answer!!

Answer 5

yea i kind off get it

Answer 6

good for you and for me, too

Answer 7

take out a paper, divide it into 2 parts, like
do it for me, right now

Answer 8

let me know when you done, ok? have to make sure you are on the right way,

Answer 9

are you done????

Answer 10

m done

Answer 11

ok, from LHS
write the sin^2 + cos^2 +1 and from RHS write the 2cos^2 x + 2 sin^2 x. SEPARATE PART, ok?

Answer 12

i did