sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+.........+

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[sin^(2)5^(0)+sin^(2)10^(0)+sin^(2)15^(0)+...........],[+sin^(2)90^(0)=..........]

sin^(2) 75^(@) - sin^(2)15^(@)=

What is the value of sin^(2) 15^(@) + sin^(2) 20^(@) + sin^(2)25^(@) + ……… + sin^(2) 75^(@) ?

Show that sin^(2)5^(@)+sin^(2)10^(0)+sin^(2)15^(0)+...+sin^(2)90^(@)=9(1)/(2)

sin^(2)5^(@) + sin^(2)25^(@) + sin^(2)45^(@) + sin^(2) 65^(@) + sin^(2) 85^(@) is equal to:

(sin^(2)1^(@) + sin^(2)3^(@) + sin^(2)5^(@) +sin^(2)7^(@) + ….. + sin^(2)87^(@) + sin^(2)89^(@)) equals

32sin^(6)15^(@)-48sin^(4)15^(@)+18sin^(2)15^(@)=

The value of sin^(2)15^(@)+sin^(2)25^(@)+sin^(2)65^(@)+sin^(2)75^(@) is

sin ^(2) 5^(circ)+sin ^(2) 10^(circ)+sin ^(2) 15^(circ)+….+sin ^(2) 90^(circ)=