Question

2sin²A-cos²A=2 find A​

Answer 1

heya here is ur answer

sin²A+cos²A=1

sin²A=1-cos²A

substitute

2(1-cos²A)-cos²A=2

2-3cos²A=2

cos²A=0

A=90° or an integral multiple of 90°.

hope it helps.

☆☆☆

Answer 2

thats ur answer .please MARK IT AS BRAINLIEST.