## Are fractions exact values?

In Maple, rational numbers (integers and fractions) are exact. If you do arithmetic with rational numbers, your answer will be correct to the last digit.

### What is cos at pi 3?

The value of cos pi/3 is 0.5. Cos pi/3 radians in degrees is written as cos ((π/3) × 180°/π), i.e., cos (60°).

**Is tangent sin over COS?**

The tangent of x is defined to be its sine divided by its cosine: tan x = sin x cos x .

**Whats an exact value?**

Exact value is where you cannot estimate the value you must be precise, eg; you can’t estimate something as being around about 5 centimetres; no you need an exact value such as 5.62.

## What are the multiplication tricks for different numbers?

Let check the multiplication tricks for different numbers. Multiplication by 2: It denotes to double a number. For example; 5 × 2, here we have to double the number 5, so we can use addition method here, i.e.

### What number is near 10 using this mental multiplication trick?

The answer is 3016 This mental multiplication trick uses the idea of a third number – a base number – to help us multiply two numbers in your head. This lesson looks at multiplying numbers near 10 using base 10.

**How to solve multiplication problems?**

Here are some tips and tricks with the help of which, you can easily solve multiplication problems. These tricks you can use in competitive exams as well. Students can by-heart multiplication tables to calculate fats. Let check the multiplication tricks for different numbers. Multiplication by 2: It denotes to double a number.

**What are the multiplication tricks you can use in competitive exams?**

These tricks you can use in competitive exams as well. Students can by-heart multiplication tables to calculate fats. Let check the multiplication tricks for different numbers. Multiplication by 2: It denotes to double a number. For example; 5 × 2, here we have to double the number 5, so we can use addition method here, i.e.