If b² - 4ac >0, and not a perfect square then roots of ax² + bx + c = 0 are?

If b² - 4ac < 0, then roots of ax² + bx + c = 0 are?

If b² - 4ac = 0, then roots of ax² + bx + c = 0 are?

The value of 30° into radians should be?

Secθcotθ equals to?

Sin²θ + cos²θ equals to?

Cosec²θ - cot²θ equals to

If b² - 4ac >0, then roots of ax² + bx + c = 0 are?

1 + cot²θ equals to?

1 + tan²θ equals to?