Write the value of 3 cot2 θ – 3 cosec2 θ.

Consider 3 cot2 θ – 3 cosec2 θ = – 3(cosec2 θ – cot2 θ)= – 3(1) (∵ 1 + cot2 θ = cosec2 θ)= – 3

Q13 of 186 Page 345

Write the value of 3 cot² θ – 3 cosec² θ.

Consider 3 cot² θ – 3 cosec² θ = – 3(cosec² θ – cot² θ)

= – 3(1) (∵ 1 + cot² θ = cosec² θ)

= – 3

Write the value of sin² θ cos² θ (1 + tan² θ)(1 + cot² θ).

Write the value of (1 + tan² θ)(1 + sin θ)(1 – sin θ).

Write the value of .

Write the value of