`sin(pi/12)cos(pi/4) + cos(pi/12)sin(pi/4)` Find the exact value of the expression.

Expert Answers

An illustration of the letter 'A' in a speech bubbles

You need to recognize the formula sin(a+b) = sin a*cos b + sin b*cos a. You need to put `a = pi/12` and `b = pi/4 ` , such that:

`sin(pi/12 + pi/4) = sin (pi/12 ) *cos (pi/4)+ sin...

(The entire section contains 99 words.)

Unlock This Answer Now

Start your 48-hour free trial to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.

Start your 48-Hour Free Trial
Approved by eNotes Editorial Team