Prove that 1-( cos t+ sin t)( cos t- sin t)=2{{ sin }^2}t
Question: Prove that
\[1-\left( \cos t+\sin t \right)\left( \cos t-\sin t \right)=2{{\sin }^{2}}t\]
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Solution: The answer consists of 1 page
Type of Deliverable: Word Document
Type of Deliverable: Word Document
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