Question

(b) If cot 50° = a, write sin 50° in terms of a.

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Answer 1

Answer:

sin 50°=cos 50°/a

Step-by-step explanation:

Given,

cot 50°=a

To find,

sin 50° in terms of a.

cot 50°=a (Given)

cot 50°=cos 50°/sin 50°

Therefore,

a=cos 50°/sin 50°

and

sin 50°=cos 50°/a