Asked by Blaire
Simplify: cos(pi/2+x)sin(-x)
Answers
Answered by
Damon
cos(pi/2+x) = - sin x
(draw it on a graph , angle x to the left of y axis in quadrant 2)
also sin - x = - sin x
so we end up with
(-sin x)(-sin x) = sin^2 x
(draw it on a graph , angle x to the left of y axis in quadrant 2)
also sin - x = - sin x
so we end up with
(-sin x)(-sin x) = sin^2 x
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.