1. Determine the angle (correct to 1 decimal place): a) tan 0 = 1,7 b) sin 0 - 0,8 c) cos a= 0,32 d) tan 3 4,2 e) tan 0 = 5 i) cos 40 0,3 m) sin 3a 1,2 ) sin 0 - i) sin 3+2 2,65 n) tan- sin 48° g) cos 3= 1,2 k) 2 sin 0 +5-0,8 o) cos 23 = 0,3 h) 4 cos 0 = 3 I) 3 tan 3 =1 p) 2 sin 30 +1 - 2,6 2. If a = 16° and y =36°, use your calculator to evaluate each of the following, correct to 3 decimal places. c) tanz - tan y ) cosec (z - v) a) sin(r - y) b) 3 sin z d) cos r+ cos y e) tan y g) 2 cos r+ cos 3y h) tan(2r - 5y) 3. In each of the following find the value of r correct to two decimal places. a) sin a 0,814 c) tan 2r = 3,123 f) sin(r - 10) - cos 57 b) sin z tan 45° d) tanr 3 sin 41° e) sin(2r + 45) =0,123

1. Determine the angle (correct to 1 decimal place): a) tan 0 = 1,7 b) sin 0 - 0,8 c) cos a= 0,32 d) tan 3 4,2 e) tan 0 = 5 i) cos 40 0,3 m) sin 3a 1,2 ) sin 0 - i) sin 3+2 2,65 n) tan- sin 48° g) cos 3= 1,2 k) 2 sin 0 +5-0,8 o) cos 23 = 0,3 h) 4 cos 0 = 3 I) 3 tan 3 =1 p) 2 sin 30 +1 - 2,6 2. If a = 16° and y =36°, use your calculator to evaluate each of the following, correct to 3 decimal places. c) tanz - tan y ) cosec (z - v) a) sin(r - y) b) 3 sin z d) cos r+ cos y e) tan y g) 2 cos r+ cos 3y h) tan(2r - 5y) 3. In each of the following find the value of r correct to two decimal places. a) sin a 0,814 c) tan 2r = 3,123 f) sin(r - 10) - cos 57 b) sin z tan 45° d) tanr 3 sin 41° e) sin(2r + 45) =0,123

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter7: Triangles

Section: Chapter Questions

Problem 1GP

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