Question

sin2 theta=1) 2 sin theta cos theta 2) 1-2sin 2theta 3) 2 cos 2theta -1 4) cos2theta - sin2 theta.​

Answer 1

Explanation:

It began after the stock market crash of October 1929, which sent Wall Street into a panic and wiped out millions of investors. Over the next several years, consumer spending and investment dropped, causing steep declines in industrial output and employment as failing companies laid off workers.

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Great Depression: Black