7rnmartinez
28.02.2021 •
Mathematics
In triangle ABC△ }∠B=90∘ If sin A= 5/13, what is cos C?
Solved
Show answers
More tips
- L Leisure and Entertainment 10 Ways to Celebrate Your Favorite Holidays: A Guide to Festivities and Traditions...
- S Sport When will the Biathlon World Championships 2011 take place in Khanty-Mansiysk? Answers to frequently asked questions...
- O Other What is a Disk Emulsifier and How Does it Work?...
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
Answers on questions: Mathematics
- M Mathematics A triangle has sides with lengths of 12 kilometers, 35 kilometers, and 37 kilometers. Is it a right triangle?...
- M Mathematics Write the equation of the line in point-slope form that passes through the point (-2.3) 1 and has a slope of 2...
- M Mathematics What is the area of the rectangle? 5x + 35...
- M Mathematics Convert 5T 3 radian to degrees Your A.900° B. 600° C. 300° D. 108°...
- E English Please help me please ...
- H History France took control of indochina during wwii. true false...
- H History Many Egyptian gods were originated from A Egyptian Peasants B The book of Dead c agriculture stories. D myths! Plz reply or tell me because this the only question I...
- C Chemistry Can i join someones zoom...
Ответ:
this problem is tricky, if you actually draw it out you will see the side opposite to A is the adjacent side to C which means sin(A)=cos(C)=5/13
Hope this helped!
Ответ:
(x+3)(x^2-6x)
= x^3 - 6x^2+ 3x^2 - 18x
= x^3 - 3x^2 - 18x
answer
x^3 - 3x^2 - 18x