Question

3 identities of trigonometry​

Answer 1

• Sin^2 A + Cis^2 A = 1
• Sec^2 A - Tan^2 A = 1
• Cosec^2 A - Cot^2 A = 1

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Answer 2

Answer:

The three main functions in trigonometry are Sine, Cosine and Tangent.

Cosine Function: cos(θ) = Adjacent / Hypotenuse

Sine Function: sin(θ) = Opposite / Hypotenuse

Tangent Function: tan(θ) = Opposite / Adjacent