All red face cards are removed from a pack of playing cards. A card is drawn at random from the remaining cards. Find the probability that the drawn card is (1) red card (ii) a face card (iii) a card of clubs

The answer would be (c)

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.