An object has a mass of 400 g and a volume of 25 cm3. Find the density of the object in g/cm3.
1 answer:
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Answer:
b
Step-by-step explanation:
Using the trigonometric identities
cot x = and tan x =
thus
+ tanΘ × cosΘ
= +
× cosΘ
= cosΘ × + sinΘ
= sinΘ + sinΘ
= 2sinΘ → b