Mathematics
20.01.2020 10:41
246
467
6
brucewayne390
4,9(89 marks)
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
layshjjbradshaw7250
5,0(93 marks)
I don’t know the answer but I hope someone else does:)
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