Trigonometric Formulas
(a) tanθ = sin θ/ cos θ
(b) tanθ = 1 /cotθ
(c) tanθ.cotθ =1
(d) cotθ =cos θ/ sin θ
(e) cosecθ = 1/ sin θ
(f) secθ = 1/ cos θ
Trigonometric identities
(a) sin2 θ =cos θ2 /1
(b) 1/tan2 θ= sec θ2
(c) 1/cot2 θ =cosec θ2
Trigonometric Formulas
(a) tanθ = sin θ/ cos θ
(b) tanθ = 1 /cotθ
(c) tanθ.cotθ =1
(d) cotθ =cos θ/ sin θ
(e) cosecθ = 1/ sin θ
(f) secθ = 1/ cos θ
Trigonometric identities
(a) sin2 θ =cos θ2 /1
(b) 1/tan2 θ= sec θ2
(c) 1/cot2 θ =cosec θ2
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