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3.7 Trig Equations Warm-up (IN) 1.Solve: 2.Find the exact value of: Learning Objective: to identify numerous solutions to trig equations, understand the.

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Presentation on theme: "3.7 Trig Equations Warm-up (IN) 1.Solve: 2.Find the exact value of: Learning Objective: to identify numerous solutions to trig equations, understand the."— Presentation transcript:

1 3.7 Trig Equations Warm-up (IN) 1.Solve: 2.Find the exact value of: Learning Objective: to identify numerous solutions to trig equations, understand the procedure to locate the solutions using appropriate visual cues, and develop number sense with extensive use of fractions.

2 Ex 1 – Determine whether the following are solutions to the equation No! Yes!

3 Ex 2 – Solve. List 8 solutions What is the period for cos? So… Ex 3 – Solve the equations on the interval General formula

4 We know where sin=1/2 So… But…there are more π/12s that work! So, use the general formula…

5 We know where tan=1 So…

6 Ex 4 – Solve using calculator We can use 2 nd sin, but that would only give us one answer and we need all of them between 0 and 2 π So, graph it…but don’t forget to change to radians! And, change your window

7 HW – 272 #7- 12,25,27,31,32,41- 43,53,54 Out – solve Summary – I think I understand… Don’t forget about POW!! Toys for Tots!

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