Jmalexander003 Jmalexander003
  • 01-07-2020
  • Mathematics
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Find the value of each variable

Find the value of each variable class=

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Stephen46
Stephen46 Stephen46
  • 01-07-2020

Answer:

To find a we use sine

sin 60° = a / 4√3

a = 4√3sin60°

a = 6

To find b we use sine

sin 45° = a / b

a = 6

b = 6 / sin 45°

b = 6√2

To find c we use cosine

cos 60° = c / 4√3

c = 4√3 cos 60°

c = 2√3

To find d we use tan

tan 45° = a / d

a = 6

d = 6 / tan 45°

d = 6

Therefore a = 6 b = 6√2 c = 2√3

d = 6

That's option A.

Hope this helps

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