Sin^25a + Cos^25a =?
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Answered by
2
Sin^2 5a+cos^2 5a =1
Since
Sin^2 θ+ cos^2 θ=1
Here θ=5a
Since
Sin^2 θ+ cos^2 θ=1
Here θ=5a
Anonymous:
Thanks
Answered by
2
Using identity,
sin² a + cos² a = 1
So,
sin² 5a + cos² 5a = 1
sin² a + cos² a = 1
So,
sin² 5a + cos² 5a = 1
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