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Hello Elvis Originally Posted by Elvis Solve for . Using , write the equation as: Then express the LHS in the form , where: Can you continue? Grandad
Originally Posted by Grandad Hello ElvisUsing , write the equation as: Then express the LHS in the form , where: Can you continue? Grandad Hi, Grandad. My gratitudes. We have And . Then and . Hence But So or , or , or or . Hence the solutions of the equation in the interval are and . Hope it's right.
Hello Elvis Your working is correct down to here: Originally Posted by Elvis Hi, Grandad. My gratitudes. We have And . Then and . Hence But So But then you need to say: Then taking with the sign: with the sign: ... etc. I think the answers are: Grandad
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