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००5 58 sin22° 5 cos 38° cosec 52°sin32° " cos 68° " \[3 (tan 18° tan 35° tan 60° tan 72° tan 55°)

Answer»

As cos 58°= cos(90-58)= cos32sin22°= cos(90-68)same cot38= cosec 52now

1+1-(1/√3*√3)2-1/35/3



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