Question

a-b
43. If tan A tan B =
under root a-b/a+b
prove that
(a - b cos 2A) (a - b cos 2B ) = a^2-b^2

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Answer 1

Answer:

A word in the poem that describes a free players

1) who give the round of buzzer a who give up

of the

Who doesn't give up at the

sound of buzzers