3. Verify the identity: sin(3x) sinx cos(3x) COSX = 2 4. Find the exact value (do not use a calculator). a. cos (2tan-3)
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3. Verify the identity: sin(3x) sinx cos(3x) COSX = 2 4. Find the exact value (do not use a calculator). a. cos (2tan-3)
3. Verify the identity: sin(3x) sinx cos(3x) COSX = 2 4. Find the exact value (do not use a calculator). a. cos (2tan-3)
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