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anonymous
 4 years ago
Geomerty
anonymous
 4 years ago
Geomerty

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1353250334560:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1353251965656:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Sin 7,5° * sin 37,5 ° * sin 52,5° * sin 82,5°

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0That is the point, you may not.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sin (90x)=cos x, sin 2a = 2 sin a cos a Sin 7,5° * sin 37,5 ° * sin 52,5° * sin 82,5° = 1/4(2sin 7.5 cos 7.5 * 2 sin37.5 cos 37.t ) = 1/4(sin 15 sin 75) =1/8(2sin 15 cos 15) =1/8(sin 30) =1/16

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0coz i need 2 in 2sin a cos a twice so i multiply and divide by 4

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0How do oyu get to sin 15? and sin 75?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sin 52.5 = sin(9037.5) = cos 37.5 sin 82.5 = sin(9087.5) = cos 7.5 2 sin 7.5 cos 7.5 = sin 15 same for sin 75
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