Solve this

Geometry Level 3

∏ k = 1 ∞ ( cos ⁡ k k × ∑ j = 1 k ( sin ⁡ j j ) ) = ? \large{\prod _{ k=1 }^{ \infty }{ (\cos ^{ k }{ k } \times \sum _{ j=1 }^{ k }{ (\sin ^{ j }{ j } ))=? } }}

Angles are in degrees


The answer is 0.

Department 8 by Department 8 , 27, Israel

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Aaaaaa Bbbbbb
Sep 5, 2015

In many values of k the value of function: c o s ( k ) k = 0 cos(k)^{k}=0 So the result is: 0 \boxed{0}

1 Helpful 0 Interesting 0 Brilliant 0 Confused

And this is level 3? (Even i got it... lols)

Jeffrey Li - 5 years, 7 months ago

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...