Recall that
Dividing both sides by cosh²(x) gives
Also, recall the identity
Then
Answer:
1.true
2.false
3.true
4.true
5.true
6.fales
7.true
8.true
9.false
10.false
Step-by-step explanation:
sana makatulog
Answer: X=16
Explanation: when you plug in -7 for x in the equation you have and just multiply it by -3 you will get 21 then subtract 5 and that will give yo 16
It is the area of two triangle and one rectangle
area of a triangle is 1/*b*h
A=1/2*1.9*2.8=2.66 ft^2 multiply it by 2 as we have 2 triangle= 5.32 ft^2
Area of a rectangle=w*l=3.2*2.8 =8.96 ft^2
Add them =8.96+5.32=14.28ft^2
