If \(sin \ \theta + cos \ \theta = \sqrt{3}\), then prove that \(tan \ \theta + cot \ \theta = 1\).
 
Proof
 
\(sin \ \theta + cos \ \theta = \sqrt{3}\)
 
squaring on both sides and simplifying we get 
 
\(sin \ \theta \ cos \ \theta \) =
 
1 =  
 
By simplifying this then we get the result.
Answer variants:
sin2θ+cos2θ
sin2θ+cos2θsinθcosθ
sinθcosθ=1