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Please explain fully...... how to solve image problem...............,..............

Please explain fully...... how to solve image problem...............,..............

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Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
G.M. of sin x and cos x is defined as
 
Sqrt ( sin x cosx) = sin @
 
Now
 
Sin²@ = sin x cos x
 
Now
 
2 sin² @ = 2 sinx cosx
 
1 - 2 sin²@ = 1 - 2 sinx cosx
 
Cos 2@ = 1 - sin2x

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