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# Using the Pythagorean trig identity

Given that sin(θ)=1/2 and that θ is in the third quadrant, Sal finds tan(θ) using the Pythagorean identity. Created by Sal Khan.

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# Using the Pythagorean trig identity

Current time: 0:00Total duration: 6:15

0 energy points

Given that sin(θ)=1/2 and that θ is in the third quadrant, Sal finds tan(θ) using the Pythagorean identity. Created by Sal Khan.