Cos(Ф) - 2sin(Ф).cos(Ф) =0
Factorize--> cos(Ф)[ 1-2sin(Ф)] =0
a) cos(Ф) = 0 ==> Ф= 0 or (0+2kπ)
b) 1-2sin(Ф) =0 ==> -2sin(Ф) = - 1 ==> sin(Ф) =1/2 Or
sin(Ф) = 1/2 ==> Ф =π/3 OR π/3 + (k+1)π/3
Answer: h
Step-by-step explanation: h
Answer:
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
0.8 or 8/10 is greater than 0.4 or 4/10