SOLUTION: Cos a + 20(degree)=sin a find a

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Question 1150493: Cos a + 20(degree)=sin a find a
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
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duplicate.

Just solved under this link

https://www.algebra.com/algebra/homework/formulas/Geometric_formulas.faq.question.1150494.html

https://www.algebra.com/algebra/homework/formulas/Geometric_formulas.faq.question.1150494.html


Please notice, that your equation is written INCORRECTLY.

The correct form is THIS :

cos (a+20°) = sin(a).