Mathematics, 08.08.2019 03:20 johnny08

1. determine precise values for the following o sin (-309) o cos (-60°) 2. use special triangles to show that the following are true o sin (225) sin (-459) o cos (30)cos (-309) 3. prove the following identities: o cott sint cost

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1. determine precise values for the following o sin (-309) o cos (-60°) 2. use special triangles to...