Ans would be 'n' is equal 81. first of all, sine theta is equal BC/AB and plug every value and we get BC is equal 4 and then we know the law of pythaguras and we get easily the value of AC which is equal root over n. then the value of AC we do square and we get the value of 'n'.which is 81....
Ans would be 'n' is equal 81. first of all, sine theta is equal BC/AB and plug every value and we get BC is equal 4 and then we know the law of pythaguras and we get easily the value of AC which is equal root over n. then the value of AC we do square and we get the value of 'n'.which is 81....