Math, asked by MoParvej, 1 year ago

prove that sin^4 A - cos^4A = 2sin^2A -1

Answers

Answered by aaddii1d
23
this is the ans pls like this thanx
Attachments:
Answered by prashant12344
20
we can write Sin^4A as (sin2A)^2 and cos^4
Attachments:
Similar questions