how do i find the sine cosine and tangent of: pi/8.. pi/12... 4pi/3 I know this isn't that much related to calculus.. but its my first calculus assignment
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Originally Posted by Yello how do i find the sine cosine and tangent of: pi/8.. pi/12... 4pi/3 I know this isn't that much related to calculus.. but its my first calculus assignment Note that and . Then recall the following identities: . You will need these to find sine, cosine and tangent at and . To find sine, cosine, and tangent at , you need to use the unit circle. Can you take it from here?
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