3. Determine the lengths of the sides of a right triangle so one angle is 0 = arcsin (?). Use the triangle to determine the values of tan (arcsin( ?)), csc(arcsin(? ) ) and cos(arcsin(?)). 1 4. Derive the general formula for dy from the formula for Va 2+2 1 - 12 dy 5. Verify that the derivative of . arctan( ~ a is 1 a2 + 22