fawnwayman fawnwayman

14-01-2021
Mathematics

contestada

can somebody help me with these, i will mark you brainliest :)

can somebody help me with these i will mark you brainliest class=

can somebody help me with these i will mark you brainliest class=

can somebody help me with these i will mark you brainliest class=

can somebody help me with these i will mark you brainliest class=

Respuesta :

Karangamer Karangamer

14-01-2021

Answer:

1). sin 30°=5/x

1/2=5/x

x=10

2)sin 30°=y/18

1/2=y/18

y=9°

cos 30°=x/18

√3/2=x/18

x=9√3

3) option D is correct

because cosine ratio is base / hypotenuse.

4) option c is correct.

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