Nov 17, 2017 · tan(45^@)=1 sin(45^@)=sqrt2/2 cos(45^@)=sqrt2/2 45^@ is a special angle, along with 30^@, 60^@, 90^@, 180^@, 270^@, 360^@. tan(45^@)=1 sin(45^@)=sqrt2/2 cos(45 ...

Mar 26, 2018 · A 45-45-90 triangle has legs of identical length and a hypotenuse of #sqrt2# times that. By SOHCAHTOA, tangent is opposite over adjacent, which are the two legs. Since they have the same length, #tan(45 ^circ) = 1#

May 29, 2016 · How do you evaluate #tan 45#? Trigonometry Right Triangles Trigonometric Functions of Any Angle. 1 Answer

Oct 16, 2015 · Find exact value of tan (45 + 30). Ans: (sqrt3 + 1)/(sqrt3 - 1) tan (45 + 30) = (sin (45 + 30))/(cos (45 + 30)) Find sin (45 + 30) and cos (45 + 30) sin (45 + 30 ...

Mar 10, 2018 · sin45 = 1/sqrt2 cos45=1/sqrt2 tan45 = 1. How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle?

Dec 17, 2016 · Use the trig identity: #tan (a + b) = (tan a + tan b)/(1 - tan a.tan b# We get: #tan (x + 45) = (tan 45 + tan x)/(1 - tan x.tan 45)#

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Sep 7, 2015 · -1 tan(-45)= - tan45 = -1. How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle?

Answer to: Find the exact value of tan 45. By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also...

May 3, 2016 · Let us start from Right Hand Side. #tan(pi/4+A/2)# = #(tan(pi/4)+tan(A/2))/(1-tan((pi)/4)tan(A/2)# = #(1+tan(A/2))/(1-1*tan(A/2)#