SOLUTION: If cot x =2/5 and sin x > 0, find cos x.
Algebra
->
Trigonometry-basics
-> SOLUTION: If cot x =2/5 and sin x > 0, find cos x.
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
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