Math, asked by sheetal5030, 7 months ago

value of cos 75° step by step​

Answers

Answered by REDPLANET
1

Answer:

pls follow kar do (◕ᴥ◕)(◕ᴥ◕)

cos(75)

= cos(30 + 45)

= (cos30×cos45) - (sin30×sin45)

Putting value we get

 \cos(75)  =  \frac{ \sqrt{3} - 1 }{2 \sqrt{2} }

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