if 2 cos square (A/2)=1 ,
then find A
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Answered by
45
Hey !!!!
2cos²A/2 = 1
cos²A /2 = 1/2
cosA/2 = √1/2
cosA/2 = 1/√2
cosA/2 = cos45°
A/2 = 45°
A = 45° × 2 = *90 °* Answer
_________________________
Hope it helps you !!!!
@Rajukumar111
2cos²A/2 = 1
cos²A /2 = 1/2
cosA/2 = √1/2
cosA/2 = 1/√2
cosA/2 = cos45°
A/2 = 45°
A = 45° × 2 = *90 °* Answer
_________________________
Hope it helps you !!!!
@Rajukumar111
Answered by
14
Answer:
hi mate
the answer of your question is 90
Step-by-step explanation:
please mark my answer as BRAINLIEST answer
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