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If sin 3A = 1 and 0 le A le 90^(@). Find...

If `sin 3A = 1 and 0 le A le 90^(@)`. Find :
(i) sin A
(ii) cos 2A
(iii) `tan^(2)A - (1)/(cos^(2)A)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `(1)/(2)`
(ii) `(1)/(2)`
(iii) -1
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