SOLUTION: \cos A=\frac{5}{13}cosA= 13 5 ​ and \sin B=\frac{12}{37}.sinB= 37 12 ​ . Find the value of \cos(A+B)cos(A+B) in simplest form.

Algebra.Com
Question 1173969: \cos A=\frac{5}{13}cosA=
13
5

and \sin B=\frac{12}{37}.sinB=
37
12

. Find the value of \cos(A+B)cos(A+B) in simplest form.

Answer by ikleyn(52834)   (Show Source): You can put this solution on YOUR website!
.

Please print in txt-format using your keyboard.

Then re-post to the forum.

This site / (this forum) does accept input files in txt-format (plain text) ONLY.

If you will re-post, do not post to me personally.



RELATED QUESTIONS

For positive acute angles A and B, it is known that sin A = 35/37 and cos B = 5/13. Find... (answered by greenestamps)
If A and B are the measures of two first quadrant angles, find the exact value of each... (answered by stanbon)
If sin A = 3/5 and cos B = 12/13, and A and B are both positive acute angles, find the... (answered by ikleyn)
a and b are positive acute angles. if sin a= 3/5 and cos b= 12/13, find the value of... (answered by lwsshak3)
Let cosA=-5/13 with A in Q3 and sinB=3/5 with B in Q1. Find sin(A-B), cos(A-B), and... (answered by greenestamps,ikleyn)
if a,b are complementary angles then find value of a,b(sin a cos b-cosa... (answered by mykasha)
if a,b are complementary angles then find value of a,b(sin a cos b-cosa... (answered by mykasha)
Given that sin A= -4/5 where A is in quadrant 3 and sin B= 12/13 where B is in quadrant... (answered by lwsshak3)
find the exact value of cos(a+B) if sin a= -4/5, and sin B=... (answered by Edwin McCravy)