Question

Is square root 1 minus sine squared theta = cos Θ true? If so, in which quadrants does angle Θ terminate?

Answer 1

lyn can u help me next :3

Answer 2

False
True; quadrants I & IV
True; quadrants II & III
True; quadrants I & III

Answer 3

\[\cos ^{2}\theta+\sin ^{2}\theta=1\]\[\cos ^{2}\theta=1-\sin ^{2}\theta \]\[\cos \theta=\sqrt{(1-\sin ^{2} \theta)}\]

Answer 4

how do i know which quadrant its in?

Answer 5

@LynFran ^^^

Answer 6

the 1st and last quadrant

Answer 7

thats where cos is positive ...

Answer 8

ohhh ok i see. thanks so so much. hey do you ming helping me with a couple more? you don't have to if you don't want. @LynFran

Answer 9

so tag me in new post