A Math Problem~FOR 已知A∈(-π/2,π/2),lg(1+sinA)=m,lg(1/(1-sinA))=n求lgcosA

This math problem is s_____ for you,but it’s difficult for such a young boy Sorry,this math problem is a bit difficult for me.I need to c____ it again. how did you work out the math problem?A.to ask the teacher for help B.because theteacher helpe If you can't work out the math problem,you can ask your teacher--some -- A.on;heip B.for;helps C.on;helps D.for; help he had a problem with math this week同义句 Look!Peter____ ____ ____（解答）a math problem Look,Jim is working _____ a math problem. ( )the math problem( 0. advanced math problem sat math problem 一道 sat math problem A:Let's go to play football B:Sorry ,I'm ( ) a math problem.A working for B working on C work onC work on D worked out In math class,our teacher often makes us ____ a problem.A.to argue with B.argue with C.to argue D.argue for A Math Problem~FOR 已知A∈(-π/2,π/2),lg(1+sinA)=m,lg(1/(1-sinA))=n求lgcosA The math problem isn't easy for me to work out (保持原句意思)The math problem is ___ ____ for me to work out i am sure you will be able to work out the answer__this math problem by yourself.a,of.b,for.c,to.d,about Mary spent two hours ______ the math problem.[ 1分]A.tried to solveB.to try solvingC.for trying to solveD.trying to solve it's not difficult 【 】us to work qut the math problem [ ] this way.a on at b in on c for ind with of