Question

plz solve this one...........

Answer 1

We know,

cos(2π + α) = sinα
cosec(π - α) = cosecα
tan(π/2 +α) = -cotα
sec(π/2 + α) = -cosecα
sin(3π/2 - α) = -cosα
cot(2π-α) = -tanα

THUS, the equation becomes = cosα × cosecα ×(-cotα)/(-cosecα) (-cosα)(-cotα)
= 1

Hence, the aspnswer is 1.