Which of these is equal to cos 47°?
a. cos 43°
b. sin 43°
c. tan 43°
d. cos 133°
B.....
cos (47°)= sin (90°-47°)=sin (43°) [complementary angles]
Answer B
Aliana will use 3.75 inches to make her necklace
A
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Answer:
perimeter = 67
Step-by-step explanation: