Math, asked by kamalakannan7183, 3 months ago

Find cos 55+ cos 125+ cos 300

Answers

Answered by anikaroy203

2

Answer:

cos 55 + cos 125 + cos 300

= cos ( 90- 35) + cos (90+35) + cos (27+30)

sin 35- sin 35 + cos 60

cos 60 = 1/2

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