Math, asked by maryjb2523, 1 year ago

General solution of cosx=-1/2

Answers

Answered by gyaani20

3

Answer:

120

Step-by-step explanation:

cosx=-1/2

cosx=-1/2cosx=cos120

cosx=-1/2cosx=cos120Therefore x=120

Answered by Anonymous

0

Answer:

120

Step-by-step explanation:

cosx=-1/2

cosx=cos120 (because cos120=-1/2)

x=120

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