Question

sinA+ cos A= 1
find the value of A. ​

Answer 1

Step-by-step explanation:

A may be theta we can take any value

Answer 2

sin + 1 - sin^2 = 1

So, sin - sin^2 =0

sinA ( 1 - sinA) = 0

So, either sinA = 0 or sinA = 1

i.e. A = 0° or A = 90°

For A = 0°

sin0 + cos0 = 0 + 1 = 1

For A = 90°

sin90 + cos90 = 1 + 0 = 1