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Questions (3)
solve for x, to the nearest degree, in the interval 0degres less than andequal to x greater than and equal to 360degrees.
cos^2x=
1 answer
986 views
solve the first equation in each pair of equations or y and /or z. Then use the same strategy to solve the second equation for x
1 answer
1,201 views
Factor each expression:
cos^2x- 2cosx+1 4cos^2x-1
1 answer
458 views
