1
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$(\sin \theta-i \cos \theta)^3$$ is equal to

A
$$i^3(\cos 3 \theta+i \sin 3 \theta)$$
B
$$\cos 3 \theta+i \sin 3 \theta$$
C
$$\sin 3 \theta-i \cos 3 \theta$$
D
$$(-i)^3(\cos 3 \theta+i \sin 3 \theta)$$
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Real part of $$(\cos 4+i \sin 4+1)^{2020}$$ is

A
$$2^{2020} \cos ^{2020} 2 \cos 2020$$
B
$$2^{2020} \cos ^{2020} 2 \cos 4040$$
C
$$2^{1020} \cos ^{2020} 2 \cos 4040$$
D
$$2^{2020} \cos ^{2020} 1 \cos 2020$$
AP EAPCET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12