Math, asked by aayushdeshmukh008, 2 months ago

the value of sin 420° + cos 390° is

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Answered by ItzMeMukku

23

Sin420=sin60

Cos 390=cos 30

Cos (-300)=cos (60)

Sin(-330)=sin30

On putting,

(root3/2)²+(1/2)²=1

Answered by RameshChandraJoshi

1

Answer:

eska answer upper paper me hai.

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