Question

solve A in the given equation cos^2A=1-COS^2A

Answer 1

2cos 2A = 1 ==> cos 2A = 1/2 ==> 2A=(pi/6)+2(pi)k

Answer 2

cosine square 2a equals to 1 minus cosine square 2a

Answer 3

WHAT DOES pi means

Answer 4

3.14...

Answer 5

and k?

Answer 6

so the answer is?

Answer 7

k is an integer

Answer 8

k\[k \in Z\]

Answer 9

ahh whats the value if A?

Answer 10

of a

Answer 11

ahh thanks !! ^^

Answer 12

\[sorry ( \pi/12) +\pi k\]

Answer 13

i hope i helped

Answer 14

my answer was 1-tan^x ?

Answer 15

A is an angle