Find the value of Cos28×Cos32 - Sin28×Sin32.
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cos 28×cos 32-sin 28×sin 32
-0.96×0.83-0.27×0.55
-0.79-0.14
-0.93
-0.96×0.83-0.27×0.55
-0.79-0.14
-0.93
mathbuster:
can u solve it by any other approach
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