Question

trigonometry expert please tell this
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it is urgent​

Answer 1

Hey mate hope it helps you...

cosec∆ - cot∆ = a

1/sin∆ - cos∆/sin∆ = a

1-cos∆ = asin∆

tan∆ = sin ∆/ cos∆ = sin∆/ 1-asin∆

Answer 2

Answer:

hope it may help u please mark it as a brainlist answer please