Question

solve this mate plzzz​

Answer 1

Answer:

Plug the numbers in

Step-by-step explanation:

The question asks you to verify using A = 45 degrees, so just plug A into the equations. e.g. sin(2A) = sin(90 degrees) = 1, 2sin(A)cos(A) = 2sin(45 degrees)cos(45 degrees) = 2*sqrt(1/2)*sqrt(1/2) =1. QED

Answer 2

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How r u...