Question

write all the formulas of trigonometry for class 10​

Answer 1

Step-by-step explanation:

sin θ = Opposite Side/Hypotenuse.

cos θ = Adjacent Side/Hypotenuse.

tan θ = Opposite Side/Adjacent Side.

sec θ = Hypotenuse/Adjacent Side.

cosec θ = Hypotenuse/Opposite Side.

cot θ = Adjacent Side/Opposite Side.

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Answer 2

Answer:

Class 10 Trigonometry Formulas

sin(90° - A) = cos A.

cos(90° - A) = sin A.

tan(90° - A) = cot A.

cot(90° - A) = tan A.

sec(90° - A) = cosec A.

cosec(90° - A) = sec A.

sin2 θ + cos2 θ = 1 ⇒ sin2 θ = 1 - cos2 θ ⇒ cos2 θ = 1 - sin2 θ

cosec2 θ - cot2 θ = 1 ⇒ cosec2 θ = 1 + cot2 θ ⇒ cot2 θ = cosec2 θ - 1.

Step-by-step explanation:

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