Solve for x, please help

What other information do you need to prove triangle dac=bca by asa

The trigonometric ratios sine and secant are reciprocals of each other

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°