Question
Write the general solution to y = arcsin (0.6428).
40°±360°k
140°±360°k
220°±360°k
320°±360°k
40°±360°k
140°±360°k
220°±360°k
320°±360°k
Answers
40 +/- 360k
Most arcsin solutions follow with 2pik or 360k.
arcsin functions can only fall within -90 and 90 degrees, so 40 can be your only answer, even if you choose to scale the answer.
Most arcsin solutions follow with 2pik or 360k.
arcsin functions can only fall within -90 and 90 degrees, so 40 can be your only answer, even if you choose to scale the answer.