Question

If tan θ = 4 find the exact value of tan θ + tan(90o − θ)

Answer 1

http://ichthyosapiens.com/School/Math/Trig/ch05CofunctionIdentities.jpg <--- notice the tangent cofunction
so use that :)

Answer 2

Thank you

Answer 3

recall that \(\bf cot(\theta)=\cfrac{1}{tan(\theta)}\)

Answer 4

yw