Question

cos(a+b)=0,then sin(a-b)=?​

Answer 1

❤.......ɦσρε เƭ เร ɦεℓρƒµℓ........❤

.............❤ƭɦαɳҡ ყσµ❤..............

Answer 2

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is giving attachment :)

$<marquee behavior-move><font color="lime"><h1> THANK YOU ❤❤❤✌✌</ ht></marquee>$