Q) If θ is an acute angle and sin θ = cos θ, find the value of tan2 θ + cot2 θ – 2.
Ans:
tan2 θ + cot2 θ – 2.
= 
+ 
– 2
By sin θ = cos θ (given),
= 
+ – 2
= 1 + 1 – 2
= 0
Skip to contentQ) If θ is an acute angle and sin θ = cos θ, find the value of tan2 θ + cot2 θ – 2.
Ans:
tan2 θ + cot2 θ – 2.
= + – 2
By sin θ = cos θ (given),
= + – 2
= 1 + 1 – 2
= 0