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Inverse Sine, Cosine, & Tangent
5. Inverse Trigonometric Functions and Basic Trigonometric Equations / Inverse Sine, Cosine, & Tangent / Problem 7
Problem 7

Find the value of the given inverse trigonometric function using a calculator. Write your answer in radians.
y=tan1(1.5679827)y=\tan^{-1}(1.5679827)