Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Algebra 2 Circle Trig Basics PracticeTest Name____________________________ NO CALCULATOR For each of the following, find two angles, one positive and other negative that are conterminal with the given angle. 2. – 200o 1. 50o 3. 2 3 For each of the following, sketch the angle and state the measure of its reference angle. 5. – 40o 4. 100o 5 4 6. 7. 215o Rewrite each radian measure in degrees. 8. 5 6 9. 2 5 10. 8 3 11. 12 Rewrite each degree measure in radians. 12. 50o 14. – 200o 13. 900o 15. 240o Evaluate each function using the trig ratio of its reference angle. 16. sin 11 6 20. sin (–π) 17. cos 15 4 18. sin 330o 21. cos 540o Evaluate each expression for the measure of θ. 2 ) 2 22. arcsin (- ½) 23. cos( 24. tan 1 ( 3 ) 25. arcsin (1) 19. tan 3 4 For each of the following equations a) state the amplitude, b) state the period, c) sketch the graph of two cycles. 26. y = – sin x a)__________________ b)___________________ a)__________________ b)___________________ a)__________________ b)___________________ 29. y = cos(x + π/4) a)__________________ b)___________________ c)graph 27. y = cos ½ x c)graph 28. y = 1 + sin 2x c)graph c)graph Use the graph to write the equation of the function. 30. ______________________ 31._______________________ Write the definition of each trigonometry function for the unit circle (radius = 1) A. Sine θ = --------- B. Cosine θ = --------- C. Tangent θ = --------- D. Secant θ = --------- E. Cosecant θ = --------- F. Cotangent θ = --------- Write the definition of each trigonometry function for the unit circle (radius = 1) A. Sine θ = --------- B. Cosine θ = --------- C. Tangent θ = --------- D. Secant θ = --------- E. Cosecant θ = --------- F. Cotangent θ = ---------