Question

ans me plzzzz......​

Answer 1

Answer:

Step-by-step explanation:

L.H.S.=

cos(2π+θ)cosec(2π+θ)tan( π /2 +θ) by

sec( π /2 +θ)cosθcot(π+θ)

= cos(θ)cosec(θ)(-cotθ) (-cosecθ)cosθcot(θ)

= -cosθcosecθcotθ -cosθcosecθcotθ

 =1=R.H.S.

Answer 2

b) -1 is answer ...........