we are given
Firstly , we can distribute tan^2 inside
we get
now, we can simplify it
we know that
tan=1/cot
so, tan^2 will get cancelled with cot^2
so, option-C..............Answer
Answer:
Sound energy is produced when a force causes an object or substance to vibrate. The energy is then transferred through the substance in waves, called sound waves.
Step-by-step explanation:
Answer:
The diameter of the hemisphere is 20.4 centimeters.
Step-by-step explanation:
The volume of an hemisphere is given by:
In this problem, we have that:
So
The radius is 10.2 centimeters.
The diameter is double the radius. So:
2*10.2 = 20.4
The diameter of the hemisphere is 20.4 centimeters.
21 hours
73.50 x 3.50 = 21 hours