iwavydee iwavydee
  • 15-03-2021
  • Mathematics
contestada

need help plsssssssss

need help plsssssssss class=

Respuesta :

rachaelhairston rachaelhairston
  • 16-03-2021

Answer:

4. 8.0

5. 27.6

6. 35.5 degrees

Step-by-step explanation:

#4- Cos 48= x/12

0.669131= x/12

x=8.0

#5

Sin 78= 27/x

0.978=27/x

0.978x=27

x=27.6

#5

Tan X= 15/21

tan x= .714

inverse tan= 35.5 degrees

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