Question

If sinA +cosA =1, then sin2A is equal to
a. 2
b. 1/2
c. 1
d. O​

Answer 1

Answer:

I think so bro your answer is 1/2

Answer 2

Answer:

2

Step-by-step explanation:

given in first equation sinA+cosA=1

squaring on both sides

sin^2A+sin^2A-1=1

(2sinA-1)^2=1

2sina=1+1

2sinA=2