Please help!!: 1. Use the definitions of the trigonometric ratios to find the value of sin45°, cos45°, and tan45°.
A. sin45°=1, cos45°=1, tan45°=2√2

B. sin45°=2√, cos45°=2√, tan45°=2√2

C. sin45°=2√2, cos45°=2√2, tan45°=2√

D. sin45°=2√2, cos45°=2√2, tan45°=1

2. Use the definitions of the trigonometric ratios to find the value of sin30°, cos30°, and tan30°
A. sin30°=3√, cos30°=2√, tan30°=2√2

B. sin30°=12, cos30°=3√2, tan30°=3√3

C. sin30°=3√3, cos30°=12, tan30°=3√2

D. sin30°=12, cos30°=3√2, tan30°=2√