Answer:
Hi can u answer my math question which anyone has not anwered it yet
False
Step-by-step explanation:
Where’s the picture
Answer: 56
Step-by-step explanation: Since to other connecting degrees is 124, then you just need to take that away from 180 to get your answer.
y=3
=
7-y = 4
We have to evaluate
=2 cos 2Ф - 1
⇒cos 2Ф
A =2cos²Ф-1
B =1 -2 sin²Ф
C = cos²Ф - sin²Ф
Possible Answers are
1.
=2 ×(2cos²Ф-1)-1
=4cos²Ф-2-1
=4cos²Ф - 3
2.
=2×(1 -2 sin²Ф)-1
=2- 4sin²Ф-1
=1 - 4sin²Ф
3.
=2× ( cos²Ф - sin²Ф) -1
=2 cos²Ф - 2sin²Ф-1
