Page 17 - Trigonometry
P. 17
√7 √7
sin [sin −1 ( )] = = 0.661
4 4
The more efficient way of performing this calculation
is to use your fx calculator,
3
sin [cos −1 ( )]
4
The keystrokes for this are,
Cjq>3a4$))=
Likewise,
2
3
cos [tan −1 ( )]
5
Ckq?3a5$))=
3
5
tan [sin −1 (− )]
6
13
