Answer:
66 I think might he wrong
Step-by-step explanation:
I'm not sure if its right
Answer : x^1/2 y -1/3/x^/4 cdot y^1/2= y^1/3
Step-by-step explanation: Hope this helps !!!
Plz give me 5 star & thanks! :}
Answer:
1)
2)0
Step-by-step explanation:
for part 1:
Given cos(x) - cos^3(x)
= cos(x) (1- cos^2(x))
Using the identity 
= cos(x)sin^2(x)
for part 2:
given
=
Using the identity cos(a)cos(b) + sin(a)sin(b)= cos(a-b)
=
=
=
=0!
Answer: height is 7 inches
Step-by-step explanation:
height=2 ×Area/Base
= 2 (150.5/43)
=2 (3.5)
h = 7