1. Evaluate the following :
(i) sin 60° cos 30° + sin 30° cos 60°
(ii) 2 tan2 45° + cos2 30° – sin2 60°
(iii)
cos 45° sec 30° + cosec 30° (iv)
sin 30° + tan 45° – cosec 60° sec 30° + cos 60° + cot 45°
(v)
2 2 2
22 5 cos 60 4 sec 30 tan 45 sin 30 cos 30 ° + ° − ° ° + °
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