cos20×cos100+cos100×cos140-cos140×cos200
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here friend's your may be this:
not sure but follow:
(20+100)+cos100*140-cos140*cos200
=(120*100)*(140/140)*cos 200.
=12000*1*cos200.
=12000+200.
=12200.Ans//
hope it helps you a lot
not sure but follow:
(20+100)+cos100*140-cos140*cos200
=(120*100)*(140/140)*cos 200.
=12000*1*cos200.
=12000+200.
=12200.Ans//
hope it helps you a lot
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