Sum of Squares of Sines

Geometry Level 2

Find the value of sin21+sin22sin23++sin288sin289+sin290-\sin^2{1^\circ}+\sin^2{2^\circ }-\sin^2{3^\circ }+\ldots+\sin^2{88^\circ}-\sin^2{89^\circ}+\sin^2{90^\circ}

×

Problem Loading...

Note Loading...

Set Loading...