If sin∠X = cos∠Y and m∠X = 72°, what is the measure of ∠Y? 18° 72° 90° 108° Question 2(Multiple Choice Worth 1 points) (05.01 MC) If the sin 90° is 1, then the cos ° = . 90°; one half 0°; square root 2 over 2 90°; square root 3 over 2 0°; 1 Question 3 (Fill-In-The-Blank Worth 1 points) (05.01 LC) Find the sine ratio of angle Θ. Clue: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces. Triangle ABC is shown. AB measures 12. BC measures 13. CA measures 5. The angle formed at point C is marked theta, and angle A is the right angle. Answer for Blank 1: Question 4(Multiple Choice Worth 1 points) (05.01 MC) If 0 < f ≤ 90 and cos(22f − 1) = sin(7f + 4), what is the value of f? f = 3 f = 4 f = 5 f = 6 Question 5(Multiple Choice Worth 1 points) (05.01 MC) If cos(w°) = sin(z°), which of the following statements is true? triangle ABD and ECD in which angle D measures 90 degrees, angle A equals w degrees, angle B equals x degrees, angle E equals y degrees, and angle C equals z degrees z = x and ΔABD ≅ ΔECD w = z and ΔABD ≅ ΔECD z = x and ΔABD ~ ΔECD w = z and ΔABD ~ ΔECD Question 6 (Fill-In-The-Blank Worth 1 points) (05.01 LC) Find the tangent ratio of angle Θ. Clue: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces. Triangle ABC is shown. AB measures 15. BC measures 17. CA measures 8. The angle formed at point C is marked theta, and angle A is the right angle. Answer for Blank 1: Question 7 (Fill-In-The-Blank Worth 1 points) (05.01 MC) If the tan of angle x is twenty two fifths and the triangle was dilated to be two times as big as the original, what would be the value of the tan of x for the dilated triangle? Clue: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces. Answer for Blank 1: Question 8(Multiple Choice Worth 1 points) (05.01 MC) Triangle BAC was dilated from triangle BDE at a scale factor of 2. What proportion proves that cos∠D