Il. What is the length of side BC to one decimalplace?n beABSinlaB) Sin(gor)= 10 SM(90LA)A ABSin 190"42)-AB10BA. 6.7В. 74С. 9.0D. 14.94210(420%16%3DWhich equation shows a correct trigonometric ratiofor angle A in the right triangle below?B.est17 cm8 cm2615 cmAA. sin A =В.tan A =BC=26Sin(27) c. cos A =D. tan A =13. In right triangle ABC, mLC = 90, mLA = 63, andAB = 10. If BC is represented by a, then whichequation can be used to find a?aA. sin 63° =10В.a = 10 cos 63°10C. tan 63° =aa10D. a = tan 27°63°3=9"-48"

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l. What is the length of side BC to one decimal place? A. 6.7 B. 7.4 B. C. 9.0 D. 14.9 42 10

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter5: Trigonometric Functions: Right Triangle Approach

Section5.CR: Chapter Review

Problem 3CC

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Question

Il. What is the length of side BC to one decimal
place?
n be
AB
SinlaB) Sin(gor)
= 10 SM(90LA)
A AB
Sin 190"42)-AB
10
B
A. 6.7
В. 74
С. 9.0
D. 14.9
42
10
(420%
16
%3D
Which equation shows a correct trigonometric ratio
for angle A in the right triangle below?
B.
est
17 cm
8 cm
26
15 cm
A
A. sin A =
В.
tan A =
BC=26Sin(27) c. cos A =
D. tan A =
13. In right triangle ABC, mLC = 90, mLA = 63, and
AB = 10. If BC is represented by a, then which
equation can be used to find a?
a
A. sin 63° =
10
В.
a = 10 cos 63°
10
C. tan 63° =
a
a
10
D. a = tan 27°
63°
3=9"-48"

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