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Which one of the following statements is FALSE? A sin 70' = cos 20 B sin 15° = cos 65 С COS 43 = sin 47 D sin 12 = cos 78

Which one of the following statements is FALSE? A sin 70' = cos 20 B sin 15° = cos 65 С COS 43 = sin 47 D sin 12 = cos 78
asked 221k views
17 votes
Which one of the following statements is FALSE?

A
sin 70' = cos 20
B sin 15° = cos 65
С
COS 43 = sin 47
D
sin 12 = cos 78

asked
User Ganzolo
by
8.0k points

2 Answers

9 votes

Answer:

B and D

Explanation:

sin(15)=0.25

cos(65)=0.42

answered
User Dane Balia
by
8.7k points
10 votes

Answer:

D because you have to cos

answered
User CharlesLeaf
by
7.9k points
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