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lara [203]
3 years ago
12

Solve sin x + 2 sin x cos X = for 0°

Mathematics
1 answer:
solniwko [45]3 years ago
3 0

Answer:

Step-by-step explanation:

hello :

sin x + 2 sin x cosx = 0   equivalent to : sinx(1+2cosx) =0

sinx=0 means :  general solution is  : x= kπ....k in Z

1+2cosx=0  means : cosx= -1/2 general solution is : x= ±π/6+kπ...k in Z

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