By Anonymous (not verified), 6 September, 2024 Trigonometric Identities Trigonometric IdentitiesRelations of functionstanϕ = sinϕcosϕcotϕ =1tanϕ=cosϕsinϕ Tags Trigonometric Identities
By Anonymous (not verified), 5 September, 2024 Identities: Sum to Product cosδ-cos7δ sinδ +sin7δ =tan3δ Tags Trigonometric Identities
By Anonymous (not verified), 16 July, 2024 Prove the Identity: (csc α - cot α)^2 = (1-cos α)/(1+cos α) (csc α -cot α)2 = 1-cos α1+cos α Tags Trigonometric Identities
