Please explain how to find exact value without the calculator

sec ( tan^-1 5)

Thank you

Printable View

- Apr 20th 2009, 07:38 AMoceanmdPlease find exact value without calculator
Please explain how to find exact value without the calculator

sec ( tan^-1 5)

Thank you - Apr 20th 2009, 07:41 AMMoo
- Apr 20th 2009, 07:47 AMTheEmptySet

Draw a triangle...

Attachment 11011

Then use the pythagorean theorem to find the unkown sides.

Then use the definiton of Sec to find the wanted ratio. - Apr 21st 2009, 07:45 AMoceanmd
TheEmptySet,

Thank you very much.