Question

cos(sin^-1(3/7))=_________

A. 3/2√10
B. 7/2√10
C. 2√10/7
D. Undefined

Answer 1

let sin-1 3/7=x => sinx =3/7 => cosx=root(40)/7 =>cox(sin-1 3/7)=2√10/7

Answer 2

@epoweritheta can you help me with another one?

Answer 3

ya...

Answer 4

\[\tan(\sin ^{-1}(-1)\]
A. 1
B. 0
C. -1
D. Undefined

Answer 5

if sinx=-1 ,what is x ??? in -pi tp pi ??

Answer 6

What is tp?

Answer 7

@epoweritheta

Answer 8

sorry to

Answer 9

not tp

Answer 10

Ok I am confused