Question

Find the value of tan pi/8​

Answer 1

Step-by-step explanation:

answer will be tan 45° by 2

Answer 2

tanπ/8

=>tan180/8

=>tan45/2

tan(A/2)=sinA/(1+cosA)

tan45/2=(1/√2)/(1 +1/√2)

tan45/2=(1/√2)/{(√2+1)/√2}

tan45/2=1/(√2+1)