Back to Solve trigonometric equations — Problem 5 · Task Set 76

Exercises: Solve Trigonometric Equations

Use radian mode on your calculator throughout. Show all steps.

Grade 9·23 problems·~30 min·Common Core Math - HS Functions·group·hsf-tf-b-7
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Fluency Practice

1.

From the Ferris wheel problem: πt/4=0.8481\pi t/4 = 0.8481 gives t1t_1, and πt/4=2.2935\pi t/4 = 2.2935 gives t2t_2.

What is t1t_1 (the first time the Ferris wheel reaches height 40)? Round to two decimal places.