Question

PLS HELP! 50 points

Answer 1

Thanks ALMOOSH for this answer!

Answer 2

sin
2
x
=
24
25
Step-by-step explanation:
sin
2
x
=
2
sin
x
cos
x

cos
x
=
−
√
1
−
sin
2
x
(cosx <0 in quadrant III)
so
cos
x
=
−
√
1
−
9
25

that's
cos
x
=
−
4
5

and
sin
2
x
=
2
(
−
3
5
)
(
−
4
5
)

that's
24
25