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Use the half-angle formulas to come up with an exact expression for each function value below. You do not have to simplify your answer.

Use the halfangle formulas to come up with an exact expression for each function value below You do not have to simplify your answer class=

Respuesta :

Answer:

steps below

Step-by-step explanation:

sin (π/4)= cos π/4= 1/√2

tan(π/8) = tan(π/4 / 2) = sin (π/4) / (1 + cos π/4)

cos(π/8) = (√1+cos π/4) / 2

tan(π/16) = (sin π/8) / (1 + cos π/8) = ((√1-cos π/4)/2) / (1 + (√1+cos π/4)/2)