Question

plzzzz help

If the sin 30° is 1 over 2, then the cos ____° = _____.

60° ; 1 over 2

30° ; square root 2 over 2

60° ; square root 3 over 2

30° ; 1

Answer 1

hint : \(\large \sin(\theta) = \cos(90 - \theta) \)

Answer 2

so would it be A?

Answer 3

yes A is the answer, but wait a sec, something is wrong..

Answer 4

ok

Answer 5

nvm, it works for all angles, so we're good :)

Answer 6

@ganeshie8 thank you sooooo much

Answer 7

np :)