ToluOlatunde ToluOlatunde

27-03-2021
Mathematics

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

sin 20 cos a Find aPlease be sure to show your work class=

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surjithayer10otahza surjithayer10otahza

27-03-2021

Answer:

Step-by-step explanation:

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

a=70°

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