Question

Describe some basics of Trigonometric identities.

Answer 1

There is a main trigonometric identity:

1)sin^2A+cos^2A=1

All other identities are originated from this identity

Other identities are-

2)tan^2A+1=sec^2A

3)cot^2A+1=cosec^2A

Answer 2

Answer:

We know that there are three main identities like Sine, Cosine and Tangent.

Step-by-step explanation:

Also there are more like

1. Sine (sin)
2. Cosine (cos)
3. Tangent (tan)
4. Secant (sec)
5. Cosecant (csc)
6. Cotangent (cot)

Here we write it as

1 + tan²Ф = sec²Ф

1 + cot²Ф = cosec²Ф

sin²Ф + cos²Ф = 1

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