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sin²+sin=1
we also know
sin²+cos²=1
so cos²=sin.
now
cos¹²= sin6
cos10= sin5
cos8= sin4
.........
so
sin6+3sin5+3sin4sin3+2sin2+2cos2-2
sin6+3sin5+3sin4sin3.....
we also know
sin²+cos²=1
so cos²=sin.
now
cos¹²= sin6
cos10= sin5
cos8= sin4
.........
so
sin6+3sin5+3sin4sin3+2sin2+2cos2-2
sin6+3sin5+3sin4sin3.....
ahmed8486:
where is the answers..?
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