find the principal value of cos inverse minus 1 by root 2

Prove that cos(sin^(-1)) = sqrt(1-x^2). Inverse Trig Functions

`cos^(- 1)x=2sin^(- 1)sqrt((1-x)/2)=2cos^(- 1)sqrt((1+x)/2)`

Evaluating Inverse Trigonometric Functions

The value of `cos^(-1){1/sqrt2(cos((9pi)/10)-sin((9pi)/10))}`

Simplify cos-1x + cos-1[(x/2) + {√(3-3x²) / 2}] #inversetrigonometricfunctions #cbse #class12

Prove that tan inverse under root x is equal to 1 by 2 cos inverse 1 - x upon 1 + x

cos^(-1)(1/2) の主値を求めます。 | 12 | 逆三角関数 | 数学 | AAKA...

prove that `cos^-1 x = 2 sin^-1 sqrt((1-x)/2) = 2 cos^-1 sqrt((1+x)/2) `

Find the value of cos-1(1/2)+2sin-1(1/2). Inverse trigonometry Exercise 2.1, question-12.

Q4 | Differentiate cos^(-1)⁡√(1-x^2) | Differentiate cos inverse under root 1 - x square

prove that 2cos^-1(x)=cos^-1(2x^2-1)

Find the value of tan-1(1)+cos-1(-1/2)+sin-1(-1/2). Inverse trigonometry Exercise 2.1, question-11.

limit x→1/√2 sin inverse x∕cos inverse (x-1∕√2)

Find dy/dx if y = cos^-1 (1-x²)/(1+x²) | Differentiate y = cos^-1 (1-x²)/(1+x²)

Evaluate: `tan^(-1)1+cos^(-1)(-1/2)+sin^(-1)(-1/2)`

The value of `sin^(-1){cot(sin^(-1)(sqrt((2-sqrt3)/4)+cos^(-1)(sqrt(12)/4)+sec^(-1)sqrt2)}` is

Find the value of sin(2tan⁻¹(1/4)) + cos(tan⁻¹(2√2))

ITF - Ex #9, Prove that : cos [ tan^-1 {sin (cot^-1 x)}= root (1+x^2 / 2+x^2 )[ALL INDIA]

Prove that `sin^(-1)(-(1)/(2))+cos^(-1)(-(sqrt(3))/(2))=cos^(-1)(-(1)/(2))`.