Math, asked by Princess5067, 11 months ago

Cos24 degree+cos55 degree+cos125degree+cos204 degree is equal to

Answers

Answered by sammanbaral123

0

Answer:

0

Step-by-step explanation:

arrange

cos204+cos24+cos125+cos55

=2cos((204+24)/2)×cos((204-24)/2)+2cos((125+55)/2)×cos((125-55)/2)

=2cos114×cos90+2cos90×cos35

=2×cos114×0+2×0×cos35

=0+0

=0

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