## Question

###### 11) 10) Simplify h tan8 _ cot B 1 sina tana + A) sec 0 ] the expresaion: cOS 4 tan 0B) 1 +2 cos2B) cos 4cOs 0 sin 00121D) csc aD) 1 - 2 cos2sin2

11) 10) Simplify h tan8 _ cot B 1 sina tana + A) sec 0 ] the expresaion: cOS 4 tan 0 B) 1 +2 cos2 B) cos 4 cOs 0 sin 0 01 2 1 D) csc a D) 1 - 2 cos2 sin2

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