Respuesta :

calculista

Answer:

Part 27) Option D. 89.12°

Part 28) Option B. 66.42°

Step-by-step explanation:

Part 27)

we have

tan(x)=65

so

using a calculator

x=arctan(65)=89.12°

Part 28)

we have

cos(x)=2/5

so

using a calculator

x=arccos(2/5)=66.42°

teehartinegr

Answer:

Option D. 89.12°

Option B. 66.42°

Step-by-step explanation:

tan(x)=65

x=arctan(65)=89.12°

Part 28)

cos(x)=2/5

x=arccos(2/5)=66.42°

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