Math, asked by suryaprabhat, 8 months ago

cos20°+cos 80°_√3cos50°

Answers

Answered by ankita18717

2

Step-by-step explanation:

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Answered by archishasingh99

8

Answer:

0

Step-by-step explanation:

Cos20°+cos 80°_√3cos50

Cos(50-30)+cos(50+30)-√3cos50

2cos50cos30-√3cos50

[cos30= √3/2]

2* √3/2cos50-√3cos50

√3Cos50-√3cos50

0

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