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asy booking with.. 1. [-/1 Points] DETAILS SWOKPRECALC13 6.1.067. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Refer to Example 6. Make the trigonometric substitution x = a sin 0 for -it/2 0. Use fundamental identities to simplify the resulting expression. Va2 - x2 x2 Need Help? Read It 2. [-/1 Points] DETAILS SWOKPRECALC 13 6.1.071 . MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Make the trigonometric substitution x = a tan 0 for - 7/2 0. Simplify the resulting expression. x2 Va 2+ x 2 Need Help? Read It 3. [-/1 Points] DETAILS SWOKPRECALC13 6.1.075. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Make the trigonometric substitution x = a sec 0 for 0 0. Simplify the resulting expression. x2 - a2 X