Question

Sec (360+) cosec (90-0)
cosec (90 - 0) + tan (180
+ fan (180'- 0) cot (270+​

Answer 1

Answer:

Step-by-step explanation:

L.H.S.=

cos(90∘+θ)sec(-θ)tan(180∘-θ)

sec(360∘-θ)sin(180∘+θ)cot(90∘-θ)

 

= (-sinθ)secθ(-tanθ)

secθ(-sinθ)tanθ

 

=-1=R.H.S.