If sin(2x) = cos(x + 30"), what is the value of x?
20°
30°
500
1100
2 answers:
Answer:
2x=(x+30)
2x+x=30
3x=30
x=30÷3
x=10
Answer:
is 30
Step-by-step explanation:
2x=x+30
substract x
x=30
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