Question

if A = 45 verify that : Cos 2A = ( 2 cos2 A - 1 ) = ( 1 - 2 sin2 A )​

Answer 1

Step-by-step explanation:

Attorney General sued to have the canal closed. The Ontario government and some Great Lake

states have also taken legal action. But the courts have been persuaded by the value of the canal

Answer 2

this is your hope it helps...