Looking for some help!!!
Have been asked to solve the following:
"If sin13=p and cos12 = q express sin 25 in terms of p and q."
Have got this far
sin25
= sin (13+12)
= sin13cos12 + cos13sin12
= p.q + ?
Now what ?
All ideas welcomed
Thanks
Looking for some help!!!
Have been asked to solve the following:
"If sin13=p and cos12 = q express sin 25 in terms of p and q."
Have got this far
sin25
= sin (13+12)
= sin13cos12 + cos13sin12
= p.q + ?
Now what ?
All ideas welcomed
Thanks