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1. Use your calculator to find the values of the trigonometric ratios (correct to 2 decimál places). a) sin 17 b) cos 43° 4tan 21° d) sin 38 e) cos 17 3+ cos 28° g cos (28°+ 3) h) 2cos 40 sin 25

1. Use your calculator to find the values of the trigonometric ratios (correct to 2 decimál places). a) sin 17 b) cos 43° 4tan 21° d) sin 38 e) cos 17 3+ cos 28° g cos (28°+ 3) h) 2cos 40 sin 25

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Unit 2: Spe 1. Use your calculator to find the values of the trigonometric ratios (correct to 2 decimál places). 0°, 30°, 45°, 60°, 90° are using a circle or withou EXERCISE 2 Consider the equilatera 90°-triangle with 30°, 45 a) sin 17 b) cos 43° 4tan 21° 38 d) sin 2. 30° 30 e) cos 17 6 3+ cos 28° COS V3 g cos (28° + 3°) h) 2cos 40 60° 60° sin 25 1. 2. lf x= 25° and y 40°, use your calculator to find values of the trigonometrit ratios (correct to 2 decimal places). a) sin (x+y) Use the Theorem of Pytha triangles above to write dc b) sin x + sin y sin 30° = = 0,5 %3D c) 3cos x d) cos 3x Cos 30° = V3 0,87 e) tan (x+ y) tan 30° f) tan x + tan y = 0,58 V3 g 4tan y h) tan y A calculator and sin 45° = 4cos 2x V2 12 tan 30° %3D
Transcribed Image Text:Unit 2: Spe 1. Use your calculator to find the values of the trigonometric ratios (correct to 2 decimál places). 0°, 30°, 45°, 60°, 90° are using a circle or withou EXERCISE 2 Consider the equilatera 90°-triangle with 30°, 45 a) sin 17 b) cos 43° 4tan 21° 38 d) sin 2. 30° 30 e) cos 17 6 3+ cos 28° COS V3 g cos (28° + 3°) h) 2cos 40 60° 60° sin 25 1. 2. lf x= 25° and y 40°, use your calculator to find values of the trigonometrit ratios (correct to 2 decimal places). a) sin (x+y) Use the Theorem of Pytha triangles above to write dc b) sin x + sin y sin 30° = = 0,5 %3D c) 3cos x d) cos 3x Cos 30° = V3 0,87 e) tan (x+ y) tan 30° f) tan x + tan y = 0,58 V3 g 4tan y h) tan y A calculator and sin 45° = 4cos 2x V2 12 tan 30° %3D
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