Cos(10).cos(20).cos(40)=? Angles are in Degree
A car engine turns 900 revolutions per minute while idling. How many revolutions does a car engine turn in one second while idling?
Goran works as a tutor for $13 an hour and as a waiter for $11 an hour. This month, he worked a combined total of 98 hours at his two jobs. Let t be the number of hours Goran worked as a tutor this...
Please help me with this questions.
sin(x+y)/sin(x-y)=(a+b)/(a-b) then tanx/tany=?
I have an imperfect shape and I need to know the circumference of half of it. I am working on a computer programme which unfortunately does not allow you to measure curves, only straight...
prove that three collinear points can determine a plane.
anyone knows this? I need it now
I cannot figure this one out for the life of me.
If sinΘ1 + sinΘ2 + sinΘ3 = 3 then cosΘ1 + cosΘ2 + cosΘ3 =?
A= sin2x + cos4x
if sinA , CosA and tanA are In G.P then Cos3 A+ cos2 A is equal to ?
If x=ycos(2∏/3)=zcos(4∏/3) , Then xy+yz+zx is equal to ?
If cotAcotBcotC>0 the triangle is ?
Here x is theta,and please any one help me I am not getting it
ratios and proportions