sin arcsinx cos arccosx + cos arcsinx sin arccosx
= x*x + √(1-x^2) √(1-x^2)
= x^2 + 1-x^2
= 1
Naturally, since arcsinx + arccosx = pi/2
Write the trigonometric expression as an algebraic expression.
sin(arcsinx+arccosx)
1 answer