answer it fast please
Attachments:
Answers
Answered by
1
Answer:
1.
(i) President
(ii) Five
(ii) Prime minister
2.
(i) The Union executive
(ii) The zero hour
Answered by
1
Explanation:
Dear student.
(cos2a)3 – (sin2a)3
= (cos2a – sin2a )(cos4a + sin4a + cos2a*sin2a)
= (cos2a)(1 – 2 cos2a*sin2a + cos2a*sin2a)
= (cos2a)(1 – cos2a*sin2a )
= (cos2a)(1 – 4cos2a*sin2a/4 )
= cos2a(1-1/4sin22a)
Similar questions