sin 330 degree cos 120 degree +cos 210 degree sin 300 degree
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Answered by
7
Sin330=-sin30
cos120=-cos60
cos210=-cos30
sin300=-sin60
Using these values
(1/2)(1/2)+(√3/2)(√3/2)
1/4+3/4=1
Hope it's help you
cos120=-cos60
cos210=-cos30
sin300=-sin60
Using these values
(1/2)(1/2)+(√3/2)(√3/2)
1/4+3/4=1
Hope it's help you
Answered by
0
Your answ is 1....
I think....
I think....
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