Ask Me Help Desk - Sum or difference identities

Ask Me Help Desk (https://www.askmehelpdesk.com/forum.php)

- Mathematics (https://www.askmehelpdesk.com/forumdisplay.php?f=199)

- - Sum or difference identities (https://www.askmehelpdesk.com/showthread.php?t=577022)

Sum or difference identities

Tan15 degree

You can determine the value of tan(15 degrees) by applying the difference formulas for sine and cosine:

$<br /> \tan (15) = \frac {\sin(15)} {\cos(15)} = \frac {\sin(45-30)} {\cos (45-30)}<br />$

Can you take it from here?

All times are GMT -7. The time now is 01:37 AM.