Answer:
first one and second one
Step-by-step explanation:
nothing change unless it said change by scale factor or something!!!
it compares by both being in the even numbers
14 because 14 times 2 is 28 which is less than 30
Given :
An equation, 2cos ß sin ß = cos ß .
To Find :
The value for above equation in (0, 2π ] .
Solution :
Now, 2cos ß sin ß = cos ß
2 sin ß = 1
sin ß = 1/2
We know, sin ß = sin (π/6) or sin ß = sin (5π/6) in ( 0, 2π ] .
Therefore,

Hence, this is the required solution.