Math, asked by mmanp691, 10 months ago

if 0°≤A≤90° solve:2cos²A+cosA-1=0

Answers

Answered by casvaish

0

Answer:

The answer is A= 60°/ π/3.

Step-by-step explanation:

I have sent you an attachment in which I have written the answer.

Please check it. I hope this helps you a lot .

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