solving trigonometric equations, algebra homework help

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connexus.com Lesson 9: Solving Trigonometric Equations Using Inverses Algebra 2 B Unlt 7: Periodic Functions and Trigonometry Getting Started Instruction Activity Review Assessment You need the latest Flash Player installed to view this feature. You can download the latest Flash Player for free at http://www.mac Select attachment or drag and drop a file into this area - 20 MB limit 13. Verify the identity. Justify each step. (2 points) tan + cot = 1 e sin cos e Flash Player 9 or Higher Required You need the latest Flash Player installed to view this feature. You can download the latest Flash Player for free at http://www.macro, Select attachment or drag and drop a file into this area - 20 MB limit 14. A weight is attached to a spring that is fixed to the floor. The equation , = 7cos h ग models (4 points) (64) the height, h, in centimeters after t seconds of the weight being stretched and released. 112 22 1 F F3 FA FS Få FO # 3 2 $ 4 % 5 & 7 6 * o c connexus.com Lesson 9: Solving Trigonometric Equations Using Inverses Algebra 2 B Unlt 7: Periodic Functions and Trigonometry Getting Started Instruction Activity Review Assessment For questions 4 and 5, what values for a (U SOS2) satisfy the equation? 9. 4cos e +1=2cos e (1 point) 이 os 27 47 3.3 IT SIT 6 77 117 66 ОО Or 67 3' 3 10. cosa - tan ecos e = 0 (1 point) 00, 52 TT, 4. 4 054 T 5 4 4 ग π 37 37 77 2. 4 77 37 117 3 O O | +mo 6 2. 6 O OC 112 MAY © 22 A BO FS ODO F G F7 F9 掉 % a 2 $ 4. 3 5 & 7 8 3 Q R о connexus.com Lesson 9: Solving Trigonometric Equations Using Inverses Algebra 2 B Unit 7: Periodic Functions and Trigonometry Getting Started Instruction Activity Review Assessment 11. For a standard-position angle determined by the point (x, y), what are the values of the trigonometric functions? (1 point) For the point (16, 12), find sine and cose. Ocos e 16 20 12 sin A = 20 20 cose 12 Il sin e 12 = 20 20 cose 16 11 16 sin = 12 16 cose = 12 16 69 O 112 MAY IC 22 ... 보 FE # 3 % 2 4 5 & 7 6 8 3 @ R u n Getting Started Instruction Activity Review Assessment Select attachment or drag and drop a file into this area - 20 MB limit 14. A weight is attached to a spring that is fixed to the floor. The equation h 7cos models (4 points) the height, h, in centimeters after t seconds of the weight being stretched and released. a. Solve the equation for t. b. Find the times at which the weight is first at a height of 1 cm, of 3 cm, and of 5 cm above the rest position, Round your answers to the nearest hundredth. Flash Player 9 or Higher Required You need the latest Flash Player installed to view this feature. You can download the latest Flash Player for free at http://ww Select attachment or drag and drop a file into this area - 20 MB limit Finish Cancel ☺ 112 MAY 22 " . DO fo FZ % 科 3 $ 4. & 2 5 7 8 Algebra 2 B Unit 7: Periodic Functions and Trigonometry Instruction Activity Review Assessme tan" = sina x see corda sea tano 5. Use the unit circle to find the inverse function value in degrees. (1 point) sin 30 60° 240° 150 6. Use the unit circle to find the inverse function value in degrees. (1 point) 120° 60° 30 For questions 2 and 3, use a calculator to find the values of the inverse function in radians. 12 A 22
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