how to get to formula which we have to apply or inwhich type we have to apply as trignometry is very difficult for me ?
how to get to formula which we have to apply or inwhich type we have to apply as trignometry is very difficult for me ?

Last Activity: 3 Years ago

Last Activity: 4 Years ago

Last Activity: 4 Years ago

Last Activity: 4 Years ago

Last Activity: 4 Years ago