C3 Trigonometry Hard Question Help!!!
Really short question but im stuck :/
Cos A= 1/3
Find Cos 0.5A
Cos A= 1/3
Find Cos 0.5A
Original post by SS_Ldn
Really short question but im stuck :/
Cos A= 1/3
Find Cos 0.5A
Cos A= 1/3
Find Cos 0.5A
A = 2B
Quick Reply
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