Cos 60 degree + 1 / Cos 60 degree -1
Answers
Answered by
1
Answer: - 5/2 = - 2.5
Step-by-step explanation:
Cos 60°=1/2
1/2-2-1 = (1-4-2)/2 = - 5/2 = - 2.5
Answered by
0
Answer:
Cos 60° + 1/Cos 60° - 1
= 1/2+1/1/2-1
= 1+2/2/1-2/2
= 3/2/-1/2
= -3/1
= -3
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