Question

For an acute angle A, if sec A = √2 then sin A =?

Answer 1

Answer:

3/√2

Step-by-step explanation:

Given,

secA= √2

secA= hypotenuse/adjacent side

Therefore,

hypotenus= √2

adjacent side= 1

opposite side= (√2)^2 + (1)^2

2+1= 3

sinA= opposite side/hypotenuse

= 3/√2