Math, asked by pratyushkumar22390, 1 month ago

12. If cos(40° + A) = sin 30°, determine A

Answers

Answered by KarthikBandi

0

Answer:

Cos(40+A)=Sin30 then A=20

Answered by h2048549

1

Answer:

Hi good morning have a nice day

Step-by-step explanation:

cos(40+A)=sin30

cos(40+A)=sin(90-A)
cos 2A =sin 50
A=50/2
A=25

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