Answer:
Step-by-step explanation:
Hope it helps!
Answer:
6.4 but im probably wrong so sorry <3
Step-by-step explanation:
<span>2cos2x/sin2x=cotx-tanx
2cos2x/sin2x = 2(cos²x-sin²x)/(2sinx*cosx) = (2</span>cos²x-2sin²x)/(2sinx*cosx) =
= 2cos²x/(2sinx*cosx) - 2sin²x)/(2sinx*cosx) = cos x/ sin x - sinx/cos x =
= cot x-tan x
Left side is equal to right side, so 2cos2x/sin2x=cotx-tanx is true.
Answer:
3095.6 ft³
Step-by-step explanation:
Volume cone = 1/3(πr²h)
= 1/3(π(13.9)²(15.3))
= 1/3(π(193.21)(15.3))
= 1/3(2956.113π)
= 985.371π ≈ 3095.6 ft³
-Chetan K