1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Multiplicative inverse of the complex number $$(\sin \theta, \cos \theta)$$ is

A
$$(\sin \theta, \cos \theta)$$
B
$$(\sin \theta,-\cos \theta)$$
C
$$(\cos \theta,-\sin \theta)$$
D
$$(-\cos \theta, \sin \theta)$$
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$\sum_\limits{k=0}^{440} i^k=x+i y \Rightarrow x^{100}+x^{99} y+x^{242} y^2+x^{97} y^3=$$

A
0
B
$$-$$4
C
4
D
1
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A true statement among the following identities is

A
$$\sin 5 \theta=16 \cos ^4 \theta \sin \theta-12 \cos ^2 \theta \sin \theta+\sin \theta$$
B
$$\sin 5 \theta=16 \cos ^4 \theta-12 \cos ^2 \theta+1$$
C
$$\sin 5 \theta=16 \cos ^4 \theta \sin \theta+12 \cos ^2 \theta \sin \theta-\sin \theta$$
D
$$\sin 5 \theta=16 \cos ^4 \theta \sin \theta+12 \cos ^2 \theta \sin \theta+\sin \theta$$
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$e^{i \theta}=\operatorname{cis} \theta$$, then $$\sum_\limits{n=0}^{\infty} \frac{\cos (n \theta)}{2^n}=$$

A
$$(4+2 \cos \theta) /(5-4 \cos \theta)$$
B
$$(4-2 \cos \theta) /(5+4 \cos \theta)$$
C
$$(4-2 \cos \theta) /(5-4 \cos \theta)$$
D
$$(4+2 \cos \theta) /(5+4 \cos \theta)$$
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12