Why doesn't the sine rule work here? I keep getting 43.69°, when it should be an obtuse angle : r/askmath
![Why doesn't the sine rule work here? I keep getting 43.69°, when it should be an obtuse angle : r/askmath](https://preview.redd.it/7ctwosdr6uo41.jpg?auto=webp&s=1e647e8a1ed0bc47ffb331164a168f6e38e5d0da)
![](https://styles.redditmedia.com/t5_2qm4f/styles/communityIcon_mjb6b00yyqg61.jpg?format=pjpg&s=d2774ce7619d2b4eab90efb491c0782974eb2ea7)
Why doesn't the sine rule work here? I keep getting 43.69°, when it should be an obtuse angle : r/askmath
![](https://b.thumbs.redditmedia.com/BtodTJt5cdvw0PlVe2o4dr7dveZvoGPUL9AILG4P8eU.jpg)
Why doesn't the sine rule work here? I keep getting 43.69°, when it should be an obtuse angle : r/askmath
![](https://preview.redd.it/7ctwosdr6uo41.jpg?auto=webp&s=1e647e8a1ed0bc47ffb331164a168f6e38e5d0da)
Why doesn't the sine rule work here? I keep getting 43.69°, when it should be an obtuse angle : r/askmath
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