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Section10.4 Solving Trigonometric Equations

Section10.4 Solving Trigonometric Equations. 10.4 Solving Trig Equations. Objectives : To use identities to solve trigonometric equations Vocabulary : sine, cosine, tangent, cosecant, secant, cotangent, cofunction, trig identities. 10.4 Solving Trig Equations. Strategies Recall….

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Section10.4 Solving Trigonometric Equations

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  1. Section10.4Solving Trigonometric Equations

  2. 10.4 Solving Trig Equations Objectives: • To use identities to solve trigonometric equations Vocabulary:sine, cosine, tangent, cosecant, secant, cotangent, cofunction, trig identities

  3. 10.4 Solving Trig Equations Strategies • Recall…

  4. 10.4 Solving Trig Equations Strategies • Recall…

  5. 10.4 Solving Trig Equations Strategies • Recall…

  6. 10.4 Solving Trig Equations Strategies • Recall… • Algebra 2 Solving Methods • Factoring GCFs • Factoring Patterns • Isolating Variable Techniques • Etc. WARNING!!!!! • Do not divide by sin, cos, tan, sec, csc or cot! You may lose answers. • Theses are NOT one-size-fits-all problems. • Always check your solutions

  7. Practice Teams – 4th Connor Shane Dom Dustin Gabbi Taylor Ben Loren Juan Ian Zach Arian Preston AJ Greg Heather Bri Christian Colleen Andres Hunter Tony Andrew Ryan Keegan Jessie

  8. Practice Teams – 7th Megan H. Conner Zach . Z Olivia Megan C. Alexa Sarah Miguel Bobby Emma DJ Hector Drake J. Shaw Fernanda Zach C. Drew Alyssa Nick B. Sam Mike Jessica Alexis Kayla Jake Aspen Wahida

  9. Example #1 1. Apply Cosine Sum Formula. 2. Apply Appropriate Pythagorean Identity.

  10. Example #1-Continued 3. Use algebra techniques to simplify. 4. Find the angle measures using the unit circle.

  11. Example #2 1. Apply Cosine Sum Formula. 2. Apply Appropriate Pythagorean Identity. 3. Use algebra techniques to simplify.

  12. Example #2-Continued 3. Use algebra techniques to simplify. 4. Find the angle measures using the unit circle.

  13. Example #3 1. Use algebra techniques to simplify. where 2. Find the angle measures using the unit circle. This is true at: So… Therefore

  14. ASSIGNMENT • TB Pg. 390 #17, 21,23, 26, 29 Although doing your HW might make you feel like this … Remember: The easy route is often traveled and offers little to find. The hard route requires work to get through but brings with it the satisfaction of achievement. Or this …

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