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Grade: 11
        
Value of Cos square A+ cos square B +cosAcosB is equal to?
 
If A+B=120°
one month ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
2935 Points
							Dear student

Instead of subjective approach lets try to use objective approach

Assume A= B = 60

Therefore eqn = 3(1/2)*(1/2)
Ie ans 3/4

Regards
one month ago
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