To a cyclist travelling due north along a straight road at 10km/h, the wind appears to come from the east. When he increases his speed to 15km/h, the wind appears to come from the direction N67°E. Find the speed and the direction of the wind over the ground.

To a cyclist travelling due north along a straight road at 10km/h, the wind appears to come from the east. When he increases his speed to 15km/h, the wind appears to come from the direction N67°E. Find the speed and the direction of the wind over the ground.

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter7: Triangles

Section7.2: The Law Of Cosines

Problem 40PS: For Problems 37 through 42, use your knowledge of bearing, heading, and true course to sketch a...

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To a cyclist travelling due north along a straight road at 10km/h, the wind
appears to come from the east. When he increases his speed to 15km/h,
the wind appears to come from the direction N67°E. Find the speed and
the direction of the wind over the ground.

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