Calculation: definite integral ∫ (in the upper 1, in the lower √ 2 / 2) (√ 1-x ^ 2) / x ^ 2 DX to find the detailed process answer, please God

Calculation: definite integral ∫ (in the upper 1, in the lower √ 2 / 2) (√ 1-x ^ 2) / x ^ 2 DX to find the detailed process answer, please God

Let x = sin T, then DX = cost DT \8747; (2 / 2 / 2 → 1) {(1-x \\\\\\\\\\\\\\\\\\\\\\\\\\\\8747; (π / 4 / 4 → π / 4 / 4 \\\\\\\\\\\\\\\\\\\178; t-1)