4. Given a right triangle, with a right angle at the point B, if a = 9, b = 15, and c = 12, what are the primarytrigonometric ratios for LA?.coS A =,tan A =3a. sin A =,%3D4'4343b. sin A =, cos A =, tan A =55'44Cos A =5'345, tan A =C. sin A =3COS A =, tan A =34d. sin A =3

Answered: Image /qna-images/answer/be9b9963-0590-450a-a921-d223cdf0d1dc.jpg

4. Given a right triangle, with a right angle at the point B, if a = 9, b = 15, and c = 12, what are the primary trigonometric ratios for LA? 3 a. sin A = , cos A = , tan A = 4 4 3 , tan A = 4 b. sin A = - , COs A = C. sin A = 4. Cos A = 3 ,tan A = 3 COs A = 3 tan A = d. sin A = 4' +m +3

4. Given a right triangle, with a right angle at the point B, if a = 9, b = 15, and c = 12, what are the primary trigonometric ratios for LA? 3 a. sin A = , cos A = , tan A = 4 4 3 , tan A = 4 b. sin A = - , COs A = C. sin A = 4. Cos A = 3 ,tan A = 3 COs A = 3 tan A = d. sin A = 4' +m +3

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter11: Introduction To Trigonometry

Section11.3: The Tangent Ratio And Other Ratios

Problem 11E

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Question

4. Given a right triangle, with a right angle at the point B, if a = 9, b = 15, and c = 12, what are the primary
trigonometric ratios for LA?
.coS A =,tan A =
3
a. sin A =,
%3D
4'
4
3
4
3
b. sin A =
, cos A =, tan A =
5
5'
4
4
Cos A =
5'
3
4
5, tan A =
C. sin A =
3
COS A =
, tan A =
3
4
d. sin A =
3

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