If tanx = cot(50+3x), then what is the value of x ?

If 2sinθ+cosθ= $${7\over3}$$ then the value of (tan²θ-sec²θ) is

If sin²a = cos³a then the value of cot⁶ a – cot²a? 

Solve it $$ {sin \ θ\over 1+cos\ θ}+{1+cosθ\over sin\ θ}=?$$

$$(1+tan θ+secθ)(1+cotθ-cosecθ)\over (sec θ+tan θ)(1-sin θ) $$ is equal to :

Sin (45 + θ) – Cos (45 – θ) is:

$${sin^2θ\over cosθ(1+cosθ)}+{1+cosθ\over cosθ} =?$$

Which of the following values suits for A to make the equation  $$ {{ATan62°Sec 28°Cot 38°}\over {Cosec62°Tan11°}}=1$$ ?