GATE IN 1994 | Complex Variable Question 12 | Engineering Mathematics

Engineering Mathematics

Linear Algebra

Complex Variable

Differential Equations

Numerical Methods

Calculus

Vector Calculus

Probability and Statistics

Transform Theory

GATE IN 1994

MCQ (Single Correct Answer)

-0.3

$$\cos \phi $$ can be represented as

$${{{e^{i\phi }}\, - \,{e^{ - i\phi }}} \over 2}$$

$${{{e^{i\phi }}\, - \,{e^{ - i\phi }}} \over {2i}}$$

$${{{e^{i\phi }}\, + \,{e^{ - i\phi }}} \over i}$$

$${{{e^{i\phi }}\, + \,{e^{ - i\phi }}} \over 2}$$

Questions Asked from Marks 1

GATE IN Subjects

Engineering Mathematics