Question

Use a calculator to find sin-1(-0.83). Express your answer in radians, rounding to the nearest hundredth.

Answer 1

\[\sin^{-1} (-0.83)\]

Answer 2

@abbychandler

Answer 3

ohhhhhhhhhhhhhhhhhhhhhh yea nvm i thought you meant something else. this is trig, right?

Answer 4

yep @abbychandler

Answer 5

you know anyone that does know trig? @abbychandler

Answer 6

no sorry :(

Answer 7

@robtobey can you help?

Answer 8

\[\sin ^{-1}(-0.83)=-56.0987 \deg \]

Answer 9

@robtobey how would you convert that to radians? can you teach me?

Answer 10

-0.979108 radians using the Mathematica program.

Answer 11

Don't see an obvious conversion to exact symbolic form.

Answer 12

Lol thank you I just figured that out @ robtobey Can you help with other questions?

Answer 13

@robtobey can you help with other questions?

Answer 14

go ahead.

Answer 15

Thank you! ok so

Calculate \[\tan[\arcsin(\frac{ \sqrt{2} }{ 2 })]\]

Answer 16

@robtobey

Answer 17

1?

Answer 18

yeah I got it, its 1