i need helpppppppppppppppp
2007-12-29 21:46:31 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
It's called the inverse cosine of one half, or 'Bob' to its friends.
2007-12-29 22:16:42 · answer #1 · answered by David G 6 · 1⤊ 0⤋
A special angle or/and reference angle...together with 30, 60, 90 degree...Is this what you mean?
2007-12-29 22:13:25 · answer #2 · answered by gorgeous 1 · 0⤊ 0⤋
an acute angle, two thirds right angle, complementary to 30 degrees,
2007-12-29 22:11:31 · answer #3 · answered by sv 7 · 0⤊ 0⤋
no exact name but anyting less than 90 is called acute angle
2007-12-29 21:50:45 · answer #4 · answered by LoveRock 2 · 0⤊ 0⤋
We call it as an 'acute angle'.
2007-12-30 01:27:18 · answer #5 · answered by An ESL Learner 7 · 0⤊ 0⤋
acute angle
2007-12-29 21:50:01 · answer #6 · answered by someone else 7 · 0⤊ 0⤋
An acute angle?
Is that what you meant?
2007-12-29 21:49:15 · answer #7 · answered by Jessarama! 5 · 0⤊ 1⤋