Question

Given sin x=13/85 and tan x=13/84 .

Answer 1

ANSWER:

We know that,

• tanΘ = sinΘ/cosΘ

cosΘ = sinΘ/tanΘ

So, cosΘ = 13/85 ÷ 13/84

• 13/85 × 84/13
• 84/85.