# DIRECTIONS COSINES AND DIRECTION RATIOS INTERMEDIATE FIRST YEAR MATHS FIRST YEAR 1B PROBLEMS WITH SOLUTIONS

Solutions for intermediate mathematics first year 1A and 1B some chapters. The solutions are very simple to understand.

First year 1A : Functions, mathematical induction, addition of vectors, trigonometric ratios upto transformations, trigonometric equations, inverse trigonometric functions, hyperbolic functions and properties of triangles.

First year 1B : Locus,transformation of axes, three dimensional coordinates, the straight line, the planes, pair of straight lines and applications of derivatives.

**You can see the solutions for junior inter maths 1B**

** **1. Locus

5. Three dimensional coordinates

6. The plane

11. Rate measure

**You can also see the solutions for junior inter maths 1A**

1. Functions

3. Matrices

6. Trigonometric ratios upto transformations 1

7. Trigonometric ratios upto transformations 2

9. Inverse trigonometric functions

## DIRECTIONS COSINES AND DIRECTION RATIOS INTERMEDIATE FIRST YEAR MATHS FIRST YEAR 1B PROBLEMS WITH SOLUTIONS

Note : Observe the solutions and try them in your own methods.

Inter maths trigonometry solutions

Maths real numbers solutions class 10

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