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Cofunction

Calculus AB #4

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Calculus
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trigonometry
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Cofunction
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Ws 4 ? TRIG VALUES Show your work in your NOTEBOOK! 1. Solve each such that 0 2x ?? ? . a. 3tan 3x ? b. 1sin 2x ? c. 3cos 2x ? d. tan 1x ? ? e. sin 1x ? ? f. cos 0x ? g. 2sin 2x ?? h. csc 2x ? ? i. 2 3sec 3x ? ? j. tan x is undefined. k. cot 0x ? 2. Solve each equation such that 0 2x ?? ? . a. 2cot cot 0x x? ? b. 22cos 7cos 4x x? ? c. 2 2cos sin sin 0x x x? ? ? d. 2 22sin 5sin 3sin 0x x x? ? ? e. 2sin 2cos 2x x? ? f. 24cos 1x ? g. 23cos 3 2sinx x? ? 3. RECALL! Evaluate each. a. 11sin 6 ? b. 3sin 2 ? c. cos? d. 2tan 3 ? e. csc 3 ? f. 4cos 3 ? 4. Solve each such that 0 2x ?? ? . Round each to 3 decimal places. a. sin 0.231x ? b. csc 2.675x ?? c. tan 0.219x ?? d. cot 1.290x ?
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