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Answer:
(1/sin²θ - sin⁴θ)
Step-by-step explanation:
I am replacing θ with A for the better understanding.
Important Formulas:
(i) (1/tanθ) = cotθ
(ii) (1/cotθ) = tanθ
(iii) sin²θ + cos²θ = 1.
(iv) 1 - sin²θ = cos²θ
Now,
Hope it helps!
Answer:
(1/sin²θ - sin⁴θ)
Step-by-step explanation:
hope this is helpful