Math, asked by sauravnayak1, 10 months ago

sin2 A=
cos2A=
...........

Answers

Answered by vk2106

1

sin2A=2SinACosA
Cos2A=Cos^2A-Sin^2A or 2Cos^2A-1 or 1-2Sin^2A

sauravnayak1: cos 2a incorrect

vk2106: mine or her

sauravnayak1: ok

vk2106: brainliest plz

vk2106: and follow too

sauravnayak1: you follow me

vk2106: i cant

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Answered by beingankitaa

3

sin 2A = 2sinAcosA

cos2A = co^2A - sin^2 A

= 2cos^2A -1

= 1 - 2sin^2 A

sauravnayak1: cos 2A wrong

vk2106: yeah

vk2106: mine is correct check it

sauravnayak1: hn

vk2106: she is right

vk2106: nothing is wrong in her answer

sauravnayak1: ok

rahulgrover033: hlo

sauravnayak1: hlo

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