10) Given sin 0 = 0.259 and tan 0 = -0.268,
determine cos 0. Keep your answer rounded
to four decimal places.
ERIES
S
TU
A) cos 0 = -0.9664
REST
B) cos 0 = 0.9664
TERET
C) cos 0 = -0.9700
D) cos 0 = 0.9700

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.