2-b/3=-5/2 What is b?
2 answers:
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Check the picture below.
bear in mind that a reference angle, is just the angle the "terminal point" makes with the x-axis, in this case, the green one.
bear in mind that a reference angle, is just the angle the "terminal point" makes with the x-axis, in this case, the green one.
Answer:
x=πn, n∈Z
Step-by-step explanation:
if sin²2x=1-cos²2x, then
1-cos²2x-2cos2x+2=0; ⇒ cos²2x+2cos2x-3=0; ⇔ (cos2x+3)(cos2x-1)=0;
Answer:
volume: 1500 , surface area: 764
Step-by-step explanation:
formula of circle's area
formula of cylinder's surfaces area
