Math 142: Formulas From All Chapters > Even Odd Identities > Flashcards
Sin (-θ) = ?
(-) sin (θ)
Cos (-θ) = ?
cos (θ)
Tan (-θ) = ?
(-) tan (θ)
Csc (-θ) = ?
(-) csc (θ)
Sec (-θ) = ?
sec θ
Cot (-θ) = ?
(-) cot (θ)