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Sin 20 = cos a Find a Please be sure to show your work.​

Sin 20 = cos a Find a Please be sure to show your work.​
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3 votes
Sin 20 = cos a Find a
Please be sure to show your work.​

Sin 20 = cos a Find a Please be sure to show your work.​-example-1
User Akansh
by
8.5k points

1 Answer

3 votes

Answer:

Explanation:

cos a=sin20=sin (90-70)=cos 70

a=70°

User Djmac
by
8.1k points
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