Question

The value of cos 35+cos85+cos155 is

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Answer 1

Answer:

approximately 0.0001 or 0

Step-by-step explanation:

cos 35 = 0.8192 approx

cos 85 = 0.0872 approx

cos 155 = -0.9063

which gives

0.8192 + 0.0872 + (-0.9063) =  0.0001

Answer 2

Answer:

cos 35+cos85+cos155

cos 155=-0 qnswer0.000001

Step-by-step explanation:

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