Question

If 2cos theta =1 and theta is equal to

Answer 1

Answer:

60 °

Step-by-step explanation:

$2 \cos(o) = 1 \\ \cos(o) = \frac{1}{2} \\ cos(o) = cos \: 60 \\ o = 60$

hence cos60 = 1/2

Answer 2

Answer:

2cos threta=1

2cos threta=1/2

cos threta=cos 60

threta =60