Math Problem Statement
For f, of, x, equals, sine, xf(x)=sinx , minus, start fraction, pi, divided by, 2, end fraction, is less than or equal to, x, is less than or equal to, start fraction, pi, divided by, 2, end fraction− 2 π ≤x≤ 2 π , g, of, x, equals, cosine, xg(x)=cosx , 0, is less than or equal to, x, is less than or equal to, pi0≤x≤π , and h, of, x, equals, tangent, xh(x)=tanx , minus, start fraction, pi, divided by, 2, end fraction, is less than, x, is less than, start fraction, pi, divided by, 2, end fraction− 2 π <x< 2 π , find the exact value of the composite function.
g, to the power minus 1 , left parenthesis, f, of, minus, start fraction, pi, divided by, 4, end fraction, right parenthesisg −1 (f(− 4 π ))
Simplify your answer. Type an exact answer, using radicals as needed. Type an exact answer, using piπ as needed. Use integers or fractions for any numbers in the expression.
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Inverse Functions
Composite Functions
Formulas
sin(x), cos(x), tan(x)
Inverse cosine: g⁻¹(y) where cos(g⁻¹(y)) = y
Composite function: g⁻¹(f(x))
Theorems
Trigonometric identities: sin(-θ) = -sin(θ)
Cosine inverse function g⁻¹(y) within 0 ≤ x ≤ π
Suitable Grade Level
Grades 11-12