Cos (90°-A) x tan (180°-A) y sec (90°+A) Cos(180°- A) tan (180° + A) 60sec (180°-A)
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I don't know the answer but i can try
Sin90x.cot180y.cosec180.cot180.60cosec
Sin90x.cot180y.cosec180.cot180.60cosec
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