which one of the following is the value of cot 214deg 30'?

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which one of the following is the value of cot 214deg 30'?

a. 1.45501
b. 0.82413
c. 0.68728
d. 0.56641

2007-04-15 05:12:27 · 2 answers · asked by simba22 1 in Science & Mathematics ➔ Mathematics

2 answers

cot 214 deg 30'= 1/tan 214.5 degrees.
Use your reference angle and ASTC
The reference angle is 34.5 degrees and we are
in quadrant III.
So tan 214.5 deg = tan 34.5 deg
and now a calculator gives a). 1.45501 as the answer
(This is an approximate answer, by the way.)

2007-04-15 07:01:49 · answer #1 · answered by steiner1745 7 · 0⤊ 0⤋

cot 214Â° = 1.482560969

2007-04-15 05:43:00 · answer #2 · answered by Anonymous · 0⤊ 0⤋