What does sin(arccos(1))−2cot(arcsec(3)) equal?
1 Answer
Jan 25, 2016
Explanation:
- cos x = 1 --> arc x = 2pi --> sin 2pi = 0 -->
sin (arccos(1) = 0 - sec y = 3 --> cos y = 1/3 --> arc y = 70^@53.
tan 70.53 = 2.83 --> cot 70.53 = 0.353
2cot (arcsec(3) = 0.707
Answer: 0 - 0.707 = - 0.707 (or
