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Arada [10]
2 years ago
5

√3×sinx+cosx=0 tmf nghiệm

Mathematics
1 answer:
Crazy boy [7]2 years ago
7 0

Answer:

x= -30

Step-by-step explanation:

√3×sinx+cosx=0

√3sinx=-cosx

√3sinx/-cosx=1

-sinx/cosx=1/√3

-tanx=1/√3

(tan(180-30))=1/√3

tan(-30)=1/√3

Therefore, x= -30

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