Day 6 examples u7f13
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The document provides two problems related to trigonometric identities and equations. The first problem asks the student to complete Janelle's partial solution to an equation involving sine and provides her work so far. The second problem asks the student to explain why the equation csc x = 1/2 has no solution.
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Day 6 examples u7f13
- 1. Problems of the Day 1. Janelle correctly started to answer the following question. Complete her solution. Question: Solve the following equation for all real values of x. Express your answer in radians correct to 3 decimal places. Janelle's solution: 3sin2x - 14sinx - 5 = 0 (3sinx + 1)(sinx - 5) = 0 2. Explain why csc x = 1 has no solution. 2
- 3. - 1 = sin
- 4. = - tan sin csc 1) WS Id-Id #16, 18, 21, 22, 31, 32 2) WS More Identities #1 to 19