Question

tan(π/4-Φ)=1-tanΦ/1-tanΦ​

Answer 1

Answer:

tan(π/4-x)=(1-tanx)/(1+tanx)

Step-by-step explanation:

tan(A-B)=(tanA-tanB)/(1+tanAtanB)

now substitute the value of A as π/4 and B as x

now we get

tan(π/4-x)=(1-tanx)/(1+tanx)