Question

identities of trigonometry

Answer 1

Basic identities:-


(I)-
sin²A+cos²A=1,

(II)-
sec²A-tan²A=1,

(III)-
cosec²A-cot²A=1

Answer 2

Answer:

The identities of trigonometry are

1) sin²θ + cos²θ = 1

2) sec²θ - tan²θ = 1

3) cosec²θ - cot²θ = 1

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