if sin 45º = √ 2A , then A = ?

A 1

B 1/2

C 1/√ 2

D 1√ 3

Solution

Correct Answer: Option B

দেওয়া আছে, sin 45º = √ 2A
⇒1/√ 2 = √ 2A
⇒1/(√ 2 × √ 2) = A
⇒1/2 = A
∴ A = 1/2

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