
by using the integration formula
we get,

now put the value of t=\sin\theta in the above equation
we get,

hence proved
Answer:
27
Step-by-step explanation:
13000-5600=7400...that's about it, just multiply then subtract
Answer:
102 degrees.
Step-by-step explanation:
Because the 3.3's are congruent (the same), this triangle is isosceles.
A property of isosceles means that the two angles are congruent.
39+39= 78
This means that the last angle must be 180-78.