sin2 A=
cos2A=
...........
Answers
Answered by
1
- sin2A=2SinACosA
- Cos2A=Cos^2A-Sin^2A or 2Cos^2A-1 or 1-2Sin^2A
sauravnayak1:
cos 2a incorrect
mine or her
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Answered by
3
sin 2A = 2sinAcosA
cos2A = co^2A - sin^2 A
= 2cos^2A -1
= 1 - 2sin^2 A
cos 2A wrong
yeah
mine is correct check it
hn
she is right
nothing is wrong in her answer
ok
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