Value of [1+(cos(2x))^2]+[1-(cos(2x))^2]
Answers
Answered by
0
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
khyati1106:
thank you but there was 1/2 power outside the square bracket i forgot to put it!
Answered by
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
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