If sin A = 3/5 and A is acute, then cos A is A3/4 B5/4 C5/3 D4/5 Tap an answer to check. Show the answer Answer: D. 4/5 cos A = √(1 − 9/25) = √(16/25) = 4/5. Report a problem The answer is wrong Spelling or typing mistake The question is unclear Out of date Something else Send
