Question

Write the all trigonometric formulas
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Answer 1

sin A = perpendicular / hypotenuse

cos A = base / hypotenuse

tan A = perpendicular / base

cosec A = hypotenuse / perpendicular

sec A = hypotenuse / base

cot A = base / hypotenuse

sin²A + cos²A = 1

cosec²A - cot²A = 1

sec²A - tan²A = 1

sin²A = 1 - cos²A

cos²A = 1 - sin²A

sec²A = 1 + tan²A

tan²A = sec² A - 1

cosec²A = 1 + cot²A

cot²A = cosec²- 1

sin A .cosec A = 1

sec A . cos A = 1

tan A . cot A =

sin A = 1 / cosec A

cosec A = 1 / sin A

sec A = 1 / cos A

cos A = 1 / sec A

tan A = 1 / cot A

cot A = 1 / tan A

sin ( 90 - theta ) = cos theta

cosec ( 90 - theta ) = cot theta

tan ( 90 - theta ) = sec theta

cos ( 90 - theta ) = sin theta

cot ( 90 - theta ) = cosec theta

sec ( 90 - theta ) = tan theta

sin A / cos A = tanA

cos A / sin A = cot A