GATE PI 2007 | Vector Calculus Question 9 | Engineering Mathematics

The angle (in degrees) between two planar vectors $$\vec a = {{\sqrt 3 } \over 2}\widehat i + {1 \over 2}\widehat j$$ and $$\vec b = {{ - \sqrt 3 } \over 2}\widehat i + {1 \over 2}\widehat j$$ is

$$30$$

$$60$$

$$90$$

$$120$$

Questions Asked from Marks 2

GATE PI 2014 (1) GATE PI 2011 (2) GATE PI 2007 (1)

GATE PI Subjects

Fluid Mechanics

Metrology

Theory of Machines

Engineering Mathematics

Heat Transfer

Machine Tools and Machining

Industrial Engineering

Engineering Mechanics

Strength of Materials

Thermodynamics

Machine Design

Casting

Joining of Materials

Metal Forming