Question

Value of [1+(cos(2x))^2]+[1-(cos(2x))^2]​

Answer 1

Step-by-step explanation:

it is too simple...only u have do is that

~ first open the bracket and. u get

1+ (cos(2x))^2 + 1- (cos(2x))^2

~ now the after adding all the terms u get

the answer = 2

.... HOPE YOU FOUND UR ANSWER

Answer 2

Answer:

2

Step-by-step explanation:

Given,

[1 + (cos 2x)² ] + [1 - (cos 2x)²]

= [1 + cos²2x ] + [1 - cos²2x ]

= 1 + cos²2x + 1 - cos²2x

= 2