Solve triangle ABC.b = 67, c = 36, ∠A = 79° Step 1The Law of Cosines states that for the triangle ABC with sides a, b, and c,ア-(Cc2 = a2 +cos(C).In the given triangle, you know sides b and c and angle A, and need to find a. So you can rewrite this formulaa2 = ? + (|ア-(Lcos(A).

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The Law of Cosines states that for the triangle ABC with sides a, b, and c, ア-C c2 = a² + ) cos(C). In the given triangle, you know sides b and c and angle A, and need to find a. So you can rewrite this formula a2 = c2 + cos(A).

The Law of Cosines states that for the triangle ABC with sides a, b, and c, ア-C c2 = a² + ) cos(C). In the given triangle, you know sides b and c and angle A, and need to find a. So you can rewrite this formula a2 = c2 + cos(A).

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter1: Trigonometry

Section1.8: Applications And Models

Problem 1ECP: Solve the right triangle shown at the right for all unknown sides and angles.

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Question

Solve triangle ABC.

b = 67, c = 36, ∠A = 79°

Step 1
The Law of Cosines states that for the triangle ABC with sides a, b, and c,
ア-(C
c2 = a2 +
cos(C).
In the given triangle, you know sides b and c and angle A, and need to find a. So you can rewrite this formula
a2 = ? + (|
ア-(L
cos(A).

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