Question

What is sin(90)?

Answer 1

sin(90) = 0.893996664

Answer 2

thanks

Answer 3

1

Answer 4

sin of 90 is equal to the y value of point on the unit circle at 90 deg, equals 1

Answer 5

oh edward lied to me =_=

Answer 6

The sin of 90 degrees is 1.
The sin of 90 is approximately 0.893996

Answer 7

why bother asking questions if the answer is readily available with wolframalpha and you dont even ask for an explanation?

Answer 8

That is a very good point.

Answer 9

Its honestly starting to frustrate me. Im guessing these kids are copying the odd answers out of the back of the book and making us do their even-answered problems. And the worst part is, some of us are still willing to answer because of the achievment system. MADNESS!

Answer 10

Many of them do. Some do come here to learn though. I do try to keep things more explanatory than just supplying solutions, but I'm not always around.

Answer 11

And yes. The medal system infuriates me also.

Answer 12

The irony of you getting a medal for complaining about the medal system makes me feel warm and fuzzy inside

Answer 13

Ditto.

Answer 14

I am here with no account just looking at things which help me as a review. Thanks

Answer 15

well if everyone must have a explanation problem...

explain that \[a _{2}^{1},a _{2}^{2},a _{2}^{3}\] is a geometric sequence