Math, asked by DevilAngel, 1 year ago

Pls solve 12th question and explain why

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Answered by SNAKERKO

0

Answer:

answer is option b)

Step-by-step explanation:

use the formula 1-cosA=2sin^2A/2 and sinA= 2sinA/2CosA/2.

this gives A=2npie

Answered by Malikbadshah1198

0

Step-by-step explanation:

answer of this question is part no. (3)

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