Sunday

April 20, 2014

April 20, 2014

Posted by **Anonymous** on Tuesday, November 6, 2012 at 10:27am.

- Math -
**Reiny**, Tuesday, November 6, 2012 at 11:12amsin 75

= sin(45 + 30)

= sin45cos30 + cos45sin30

= (√2/2)(√3/2) + (√2/2)(1/2)

= (√6 + √2)/4

**Related Questions**

Trig - Find the exact value of sin75degrees+ sin15degrees.

Algebra 2 Honors - Find the exact value by using an appropriate sum or ...

Math - Use the sum or difference identity to find the exact value of tan 105 ...

math - find the exact value using a double-angle identity

trig - use a sum or difference identity to find an exact value cos pie/12

trig identies 5.3 &5.4 - use a sum or difference identity to find an exact value...

MATH - 1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL ...

Pre-Calculus-check answers - Use a sum or difference identity to find the exact ...

Trig - Find the exact value of tan 5pi/12 using the half-angle identity.

trig - Find the exact value by using a half-angle identity. cos 22.5 degrees