EPM is a neurologic disease caused by a protozoal parasite called ___

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Idon’t quite understand this problem