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VikaD [51]
2 years ago
6

Can y'all help me prove the identity tan^2(Y)= 1−cos^2(Y)/cos(Y)

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
6 0

Answer:

Step-by-step explanation:

LHS=tan^2(Y)

SEC^2(Y)-1

1/COS^2(Y)-1

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A teepee is designed to have a diameter of 10 ft and a volume of 366ft³ what is the height? A.15ft , b.14 ft, c 5ft, or 1 ft
Katarina [22]

Answer:

B.  14 ft approx

Step-by-step explanation:

Given data

A teepee  has a conical shape

Diameter= 10ft

radius= 5 ft

Volume = 366ft³

Height = ????

The expression for the volume is

V= 1/3πr^2 h

substitute

366= 1/3*3.142*5^2*h

366= 1/3*78.55*h

366= 26.18h

h= 366/26.18

h=13.98 ft

h= 14 ft approx

Hence the Height is 14 ft approx

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3 years ago
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Step-by-step explanation:

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6 0
3 years ago
Which complex number has an absolute value of 5?<br> -3 + 4i<br> 2 +3i<br> 7-2i<br> 9 +4i
fiasKO [112]

Answer:

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Step-by-step explanation:

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