If sin A = 4/5 and A is in quadrant II, find tan 2A.
1 answer:
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Answer:
-8/12 and 8/12
Step-by-step explanation:
The square root of a ratio is the ratio of the square roots.
Given
Your family has a circular swimming pool.
The radius of the pool is 9 feet and and its depth is 4 feet.
Find out the volume of the pool.
To proof
As depth is given in the question that means the shape of the swimming pool
is cylinder.
Formula
where r = radius
h = height
now
radius of the pool is 9 feet and and its depth is 4 feet.
put all the values in the above equation
we get
use 3.14 to approximate pi
we get
= 1017.4 ( approx )feet²
Hence proved