Question

Trigonometric formulas

Answer 1

sign=opposite side/hypotenuse
cos=adjacent side/hypotenuse
tan=opposite side/adjacent
cosec=hypotenuse/opposite
sec=hypotenuse/adjacent
Cot=adjacent/opposite

Answer 2

This is Trigonometry Table ☝️☝️
Trigonometry Identities:
Construct a triangle ABC with Angle B = 90
Then,
AC ^2 = AB^2 +BC ^2
Divide once by AC^2 then by BC ^2 and lastly by AB ^2 .
You will get all the Identities.

ThAnKs !✌️✌️