Q55 of 80 Page 239

Choose the correct answer out of 4 options given against each Question

is








= 2 Cos0 = 2× 1 = 2



Hence Option (A) is the correct answer.

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Choose the correct answer out of 4 options given against each Question

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 56

Choose the correct answer out of 4 options given against each Question

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 57

Choose the correct answer out of 4 options given against each Question

is