Question

express cosec A in terms of tanA​

Answer 1

Answer:

Step-by-step explanation:

we know that sin²A + cos²A = 1

dividing the above expression with sin²A we get

1 + cot²A = cosec²A

but we know that cotA = 1/tanA

⇒ 1 + 1/tan²A = cosec²A

⇒ cosecA = Square root of (1 + tan²A)/tanA

Hope it helps you.