1.

\operatorname { sin } ^ { 2 } 82 \frac { 1 } { 2 } ^ { 0 } - \operatorname { sin } ^ { 2 } 22 \frac { 1 } { 2 } ^ { 0 }

Answer»

sin 82.5° = 0.9914

0.83694996final answer



Discussion

No Comment Found