Khan/khan-exercises — Issue #11622: Trigonometry 1 - Asks for Sin, Expects Cos
Author: KhanBugz
Created: 2012-01-19 18:49:02+00:00
State: open
Labels: firefox, wrong-or-unclear, xp

Reporter: rcsoehner@gmail.com

The question asks for sin (4/5), but the expected answer correlates to cos(3/5).

[trigonometry_1.html?seed=193&problem=sinTrig1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.html?seed=193&problem=sinTrig1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.html?seed=193&problem=sinTrig1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C25%5D%2C%5B%22hint-activity%22%2C%220%22%2C48%5D%2C%5B%22hint-activity%22%2C%220%22%2C49%5D%2C%5B%22hint-activity%22%2C%220%22%2C50%5D%2C%5B%22hint-activity%22%2C%220%22%2C62%5D%2C%5B%22hint-activity%22%2C%220%22%2C86%5D%5D)

["None of the above."]

Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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