Ask a New Question

Solve the equation 8x^2+2x-3=0 hence solve the equation 8Cos^2y+2Cosy-3=0 for the range 0<y<180

1 answer

(4cosx+3)(2cosx-1) = 0
cosx = -3/4 or 1/2
so finish it off

Ask a New Question or answer this question.

Similar Questions

how can i solve for y value with this equationf(x)=-8cos(pi/30(x-y))+8
1. 4 answers
how do i solve for t and turn this equation into a sin functiond(t)=-8cos(pi(t)/30)+8
1. 2 answers
when i do the quadratic equation i get -17 plus or minus the square root of 193 all over 2. where do i get the two "cos 3x"
1. 0 answers
solve the equation1. In x + In (x+12) =2 x= ? or either there is no solution 2. solve the exponential equation 9^x=6 What is the
1. 0 answers

more similar questions