Question

tan= 3(where e is acute), then find the value of 1 +cos

Answer 1

Answer:

tanθ=3–√⇒tan2θ=3⇒sec2θ=4⇒secθ=±2⇒cosθ=±12 .

Now, cosθ=−12⇒tanθ=−3–√,

so

cosθ=12⇒1+cosθ=32

This is your answer