Find the volume of a sphere if its radius is 6 cm. Use estimation for pi.
1 answer:
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Answer:
<em>0° and 18°</em>
Step-by-step explanation:
3tan²β - tanβ = 0
tanβ(3tanβ - 1) = 0
tan β = 0 ⇒ <em>= 0°</em>
3tan β - 1 = 0 ⇒ tan β = ⇒
= arctan (
) ≈<em> 18°</em>
