9. in degree. Oº so < 360°. Round to two decimal cot O = 2.34 and sin 0 <0 find places in degrees and 0 se < 360° round to one decimal place. There 8. sec 0 = -2.5 find are two solutions
7. Find sin given that sin 0 - and terminates in 270º<$< 360° 8. Find the exact value of the trigonometric expression: Sec (arctan
5 Let O be an angle such that sin 0 and tan 0 <0. 8 Find the exact values of cot and sec O. cot $ ? secô = ]
Using the identity sin? 0 + cos² 0 = 1, find the value of tan 6, to the nearest hundredth, if sin 0 = -0.62 and 3 < 0 < 27.
2.3: Double-Angle and Half-Angle Formulas 4. Given that cos 0 and 180° < 0 < 360°, find the values of sin, cos ,, and tan, or AS
Find all solutions to cos(7a) - cos(a) = sin(4a) on 0 Sa<
Find all solutions to 2 sin(0) = V3 on the interval 0 < 0 < 27 0 = Give your answers as exact values, as a list separated by commas. Check Answer
* For the function f(x) = (3x + 5 if x 20 6 if x < 0. find f(-10)
QUESTION 12 Use a double-angle or half-angle identity to find the exact value of: cos(0) = and 270° <=< 360°, find sin 5 OAV10 10 B. 10 C. None of these OD 10 3 17 OE 4 QUESTION 13 Use a double-angle or half-angle identity to find the exact value of: 3 sin(0)= and 0° <o<90° , find tan 5 - šar 10 OA. 3 B.V10 Octs OD. -V10 E V30 QUESTION 11 Use a double-angle or half-angle identity to...
cot(theta)=-3/4 and cos(theta) 7. cot(0) - 3 4 and cos(0) <0, find the exact value of sec(0)