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1. 2. 3. Use an addition or subtraction formula to find the exact value of the expression: {image} Select the correct answer:. {image} {image} {image}. 1. 2. 3. 4.
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1. 2. 3. Use an addition or subtraction formula to find the exact value of the expression: {image} Select the correct answer: • {image} • {image} • {image}
1. 2. 3. 4. Use an addition or subtraction formula to write the expression as a trigonometric function of one number: {image} . Select the correct answer: • {image} • {image} • {image} • {image}
Simplify the following expression: {image} Select the correct answer: • -cos y • cos y • sin y • -sin y
1. 2. 3. Simplify the expression: tan u - tan ySelect the correct answer: • {image} • {image} • {image}