(7 pts) Use double angle identities to find the indicated value. 13) cos o = sin...
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...
Use a double angle formula to find the exact value of cos 117 use Law of Cosine or Law of Sines to find the missing parts of the triangle: a. A = 25°, b = 12, c = 20 b. A = 30°, B = 100°, and c = 25 Find all of the trigonometric functions form the tant = and O< t < 7.
Directions: Find the exact value using half-angle identities. 5. 7. COS 23 8 tan 12 9. If tan- and 2 <o<34, find cost 10. If cos- ie and <o<z,find tang 11. If cos and ><o<2r. find sing 2/14 12. If tane and z<o<* find tanza Gino Won (Al Things Abebid LLC. 2018
1. Use an identity to find the exact value of cos(?) given that cos(O) = { with 270° << 360°
Use the information given about the angle 8 to find the exact value of each trigonometric function tan = - 10, sin < 0 0 e e (a) sin (20) (b) cos (20) 2 (d) cos 2 (e) tan 20 (f) tan 2 (c) sin
Use the information given about the angle 0,05 Os 2n, to find the exact value of sin (20). 31 cos = 21 29 <o<21 2 840 O A. 841 B. 41 841 840 841 D. 41 841
3 Given sin osesan and sin B -7 37 25 <B< 27. Find cos(0 + B).
el 37-40 Quadrant in which an Angle Lies Find the quadrant in which 0 lies from the information given. 37. sin 0 <0 and cos e o ( 38. tan <0 and sine < 0
1 sine = 8,0<o< , find the exact value of each of the following. (a) sin (20) (b) cos (20) (c) sin 2 (d) cos 8 2 (a) sin (20) = (Type an exact answer, using radicals as needed.) (b) cos (20) = (Type an exact answer, using radicals as needed.) 0 2 (Type an exact answer, using radicals as needed.) (c) sin 0 (d) cos 2 (Type an exact answer, using radicals as needed.)
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