palomaresmitchelle
12.08.2020 •
Mathematics
If 0≤β<2π, find all values of β that satisfy the equation cos(2β)=√3/2
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Ответ:
Step-by-step explanation:
Given the expression cos(2β)=√3/2 for 0≤β<2π, we are to find the value of β within the range that satisfies the equation.
Since cos id positive in the 4th quadrant, ,
Hence the value of that satisfy the equation are 15° and 345°
Converting to radians;
180° = πrad
15° = 15π/180 rad
15° = π/12 rad
345° = 345π/180
345° = 23π/12 rad
The values in radians are π/12 rad and 23π/12 rad
Ответ:
6
Step-by-step explanation:
If it's 3 cupcakes for 1 person and you have 2 people, then you need 6 cupcakes.
Hope this helps! Plz give brainliest!