Answer:
x = -1/3
Step-by-step explanation:
We have,
sin(x + 7) = cos(4x + 8)
We need to find the value of x.
We know that,
sin(90-x) = cosx
So,
sin(90-(x + 7)) = cos(4x + 8)
cos(x+7) = cos(4x + 8)
i.e.
(X+7) = (4x+8)
7-8 = 4x-x
-1 = 3x
x = -1/3
6.40312 is the <span>hypotenuse
</span>
Answer:
Step-by-step explanation:
Did u find the answer?
Answer:
An acute angle is an angle less than 90°
Answer: It would be between 7 and 8
