# Represent all the trigonometric ratios as positive and negative in the 4 quadrants?

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For example sin is positive in 1st Quadrant but negative in 4th Quadrant.

Pls explain all the ratios like this.

For example sin is positive in 1st Quadrant but negative in 4th Quadrant.

Pls explain all the ratios like this.

##### 1 Answer

Apr 1, 2018

Use the mnemonic

#### Explanation:

I use the following to remember the signs. **ALL SILVER TEA CUPS** .

These are used to denote which of the trigonometric identity is positive.

**A** ll - In 1st quadrant all the identities are positive

**S** ilver - In 2nd quadrant

**T** ea - In 3rd quadrant

**C** ups - In 4th quadrant