Answer:
Step-by-step explanation:
Given
3 × 
← can be expressed as
×
Multiply numerators/ denominators, that is
= 
=
Answer:
- 0.944
Step-by-step explanation:
We know that,
cos 3A = 4 cos³A - 3 cos A (formula)
So,
If cos A = 0.4,
cos 3A = 4 cos³A - 3 cos A
cos 3A = 4 × (0.4)³ - 3 × (0.4)
cos 3A = 4 × 0.064 - 1.2
cos 3A = - 0.944
Hope it helps ⚜
The square root of -5
2.23606798
or
-2.23606798
Answer:
(A°/360°)*2s is a part of the circumference of the circle with radius s that is the base of the cone. It is equal to 2r, which is the circumference of the cylinder.
Step-by-step explanation:
