Question

[1-cos²theta]cosec²=1

Answer 1

Explanation:

$(1 - {\cos }^{2} θ ) {\cosec}^{2}θ$

$⇒( {\sin}^{2} θ) ( { \cosec}^{2} θ)$

$⇒ \frac{1}{ { \cosec }^{2}θ } \times { \cosec }^{2} θ$

$∴1$

HOPE THAT HELPS!!

Answer 2

Answer:

view the attachment.... hope it helps...