SOLUTION: If cot x =2/5 and sin x > 0, find cos x.
Algebra.Com
Question 597264: If cot x =2/5 and sin x > 0, find cos x.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
If cot x =2/5 and sin x > 0, find cos x.
cot x=2/5=adjacent side/opposite side
hypotenuse=√(2^2+5^2)=√(4+25)=√29
cos x=adjacent side/hypotenuse=2/√29=(2√29)/29
RELATED QUESTIONS
If sin(x)=-3/5 and cos(x)>0, find the value of... (answered by Alan3354)
(Trigonometric identities)
Find the value of each expression using the given... (answered by ewatrrr)
The question reads:
Use identities to find the value of each expression.
Find Sin x... (answered by Alan3354)
if sin x=3/5,pi/2 < x < pi, then find the value of cos x,tan x,sec x and cot... (answered by ikleyn)
How can I use an identify to find sin(x) and cot(x) if cos(x) = 1/2 and csc(x) <... (answered by Alan3354)
if cot x=3 and cos x>0, what is the exact value of sin... (answered by Alan3354)
if sec(x) = -5/4 and sin(x) < 0, find the exact value of... (answered by harpazo,lwsshak3)
if cot(x+y) = 0, then sin( x+2y) =....
[ sin(x) , sin(y) , cos(2y) , cos(x) ] (answered by ikleyn)
If log sin x = a and log cos x = b, then log (cot ^2 x + 1) =... (answered by fractalier)