hi-every-one-what-is-the-scientific-reason-for-using-trigonometric-compensation-in-integration-and-what-is-the-rule-that-we-rely-on-in-other-compensation-a-2-x-2-x-a-sin-OR-a-cos-

Question Number 91037 by M±th+et+s last updated on 27/Apr/20

h i e v e r y o n e

w h a t i s t h e s c i e n t i f i c r e a s o n f o r u s i n g

t r i g o n o m e t r i c c o m p e n s a t i o n

i n i n t e g r a t i o n ?

a n d w h a t i s t h e r u l e t h a t w e r e l y o n

i n o t h e r c o m p e n s a t i o n ?

\sqrt{a^{2} - x^{2}} \to\to x = a s i n (θ) O R a c o s (θ)

\sqrt{a^{2} + x^{2}} \to\to x = a t a n (θ) O R a c o t (θ)

\sqrt{x^{2} - a^{2}} \to\to x = a s e c (θ) o r a c s c (θ)