Question

if sinu=2/3. what is u equal to? (u is an angle in the second quadrant)

Answer 1

@ http://efnet-math.org/w/Math_Trig_Identities

Answer 2

could i get a fan and medal:)?

Answer 3

Find the inverse of sine.

You can use this calculator: http://www.rapidtables.com/calc/math/Arcsin_Calculator.htm

Just type in 0.75 then click the '=' sign.

Answer 4

I mean type in 0.666666667

Answer 5

Not 0.75

Answer 6

Can you do that? @lawls

Answer 7

i got 41.8103149 but it says it's wrong

Answer 8

not sure why

Answer 9

Are you measuring in like degrees?

Answer 10

Or radians?

Answer 11

your wrong

Answer 12

your all wrong

Answer 13

JKJKJK

Answer 14

just playing:):):)

Answer 15

I get 0.72972766 for radians..try that.

Answer 16

no it still doesn't work :(

Answer 17

Sorry. :(

Answer 18

41 degrees is not in the 2nd quadrant