Math, asked by nk6513620, 7 months ago

(v) cos 20° cos 100° + cos 100° cos 140° - cos 140° cos 200°

Answers

Answered by anshikak0214

0

Answer:

0.376543811

Step-by-step explanation:

hope it helps

Answered by kavyabura

1

Answer:

-0.75

Step-by-step explanation:

cos 20° cos 100° + cos 100° cos 140° - cos 140° cos 200 = -0.75

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