SOLUTION: kindly help me with these equations...thank you....
(3 cos x + 7)(-2 sin x - 1) = 0 and
2 sin (x)cos (-x) = 2 sin (-x) sin (x)
Algebra.Com
Question 291556: kindly help me with these equations...thank you....
(3 cos x + 7)(-2 sin x - 1) = 0 and
2 sin (x)cos (-x) = 2 sin (-x) sin (x)
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Some website rules you won't like:
You are limited to one problem per submission. [One problem at a time.]
No more than 4 submissions daily. [4 problems a day]
No similar problems. [Different type problems only.]
RELATED QUESTIONS
Factor completely: sin^3(x) + cos^3(x)
Select one:
a. (sin(x) + cos(x))(sin^2(x) -... (answered by Alan3354)
prove 2 sin x 1 - sin ^ 2 x/2 cos x sin x equals cos... (answered by hamsanash1981@gmail.com)
(cos x - sin x)2 (answered by Alan3354)
sin x cos x+cos^2... (answered by Fombitz)
if sin(x)+cos(x)=1/2 then find the values :
(1) sin(x)*cos(x)
(2) sin^2(x)+cos^2(x)... (answered by Edwin McCravy)
how to solve these functions in [0,2pi]:
1-cos(x)=1
2-cos(x)=-sqrt3/2... (answered by lwsshak3)
please help me to prove this. Thank you.
(cos(1/2 x)+sin(1/2 x))/(cos (1/2 x)-(sin(1/2... (answered by Alan3354)
please help me solve:... (answered by jim_thompson5910)
please help me prove tan x = 2 sin x cos x/ 1+cos^2 x-sin^2... (answered by lwsshak3)