If $$ {sin\ {θ}}={1\over {\sqrt{2}}}$$ then (tanθ+cosθ)=?

What is the value of $${\sqrt{1-cosA\over{1+cosA}}}$$?

The value of $$ {(sec^{2}θ+tanθ\cotθ-tan^{2}θ)}$$

The value of $$ {2(1-sin^{2}θ)}+{2(1-cos^{2}θ)}$$. 

What is the simplified value of (1– sin A cos A)(sin A + cos A)?

If $$ {tan\ θ={a\over b}}$$ then $$ {a\sinθ+b\cosθ\over{a\sinθ-b\cosθ}}$$  is

$$ {3sin60°-4sin^{3}60°=?}$$

Simplify $$ \sqrt{(1-sin^{2}θ) ÷(1-cos^{2}θ)}$$.