Sin^2 (45+A)+sin^2 (45-A)=1 prove

Step-by-step explanation:

We know that sinA=cos (90-A)

and, sin²A +cos²A= 1

Now , here sin(45+A) = cos {90-(45+A)}

= cos(45-A)

cos²(45-A)+ sin²(45-A)= 1

by Applying (sin²A +cos²A= 1)

answer: can and shows the work

step-by-step explanation:

72 fudge and 75 toffee

step-by-step explanation:

i hope this : )