If `sinA = 3/5 and 0^@ lt A lt 90^@`, find the value of `sin 2A, cos 2A, tan 2A, and sin 4A`.

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If `sinA = 3/5 and 0^@ lt A lt 90^@`, find the value of `sin 2A, cos 2A, tan 2A, and sin 4A`.
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