Use the Substitution Formula to Evaluate the Integral$$\int _ { \pi / 4 } ^ { 3 \pi / 4 } ( 9 + \cot \theta ) \csc ^ { 2 } \theta d \theta$$

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The Answer of Use the Substitution Formula to Evaluate the Integral$$\int _ { \pi / 4 } ^ { 3 \pi / 4 } ( 9 + \cot \theta ) \csc ^ { 2 } \theta d \theta$$

Use the Substitution Formula to Evaluate the Integral $\int _ { \pi / 4 } ^ { 3 \pi / 4 } ( 9 + \cot \theta ) \csc ^ { 2 } \theta d \theta$

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Use the Substitution Formula to Evaluate the Integral ∫π/43π/4(9+cot⁡θ)csc⁡2θdθ\int _ { \pi / 4 } ^ { 3 \pi / 4 } ( 9 + \cot \theta ) \csc ^ { 2 } \theta d \theta∫π/43π/4​(9+cotθ)csc2θdθ

Definitions:

Use the Substitution Formula to Evaluate the Integral $\int _ { \pi / 4 } ^ { 3 \pi / 4 } ( 9 + \cot \theta ) \csc ^ { 2 } \theta d \theta$