- Tan2x-sec2x?

Discover Questions

Are black holes essentially gobbling up the universe which would nullify the theory that the universe is expanding? The middle term of (y^2 - 1/2)^8 is 35y^8/4. Is this true or false? Find the equation of the line which:
has a gradient of 3 and passes through the point (1, 8)? The fifth term of (2x + 5y)^8 is 700,000x^4y^4. Is this true or false? (x - 3) is a factor of f(x) = 3x^5 - 7x^4 - 5x^3 - 4x^2 + 9. Is this true or false?