Evaluate cos (2 arcsin (1/4))

COS[ARCSIN (SIN 3PI/4)] =COS[ARCSIN (SQRT2/2)] =COS [PI/4] = SQRT2/2

What is the arcsin of (pi/2)?

Evaluate: tan(arcsin(8/17)+ arctan(4/3)) I understand that I have to make triangles out of the valu...

how do you solve arcsin(3/5) without a calculator?

Evaluate please: a.) arcsin(sin 13pi/16) b.) arccos(cos[-pi/18]) c.) arcsin(sin pi/18 d.) arcsec...

I am given arcsin (sin 4pi) do the arc sin and sin cancel out? How do we solve this?

How do you solve: arcsin(sin 5pi/4)

Why is arcsin(pi/2) undefined?

cos(arcsin(7/8)) =

cos(arcsin(−5/6))

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