What is the value of \sin ^{2} 45^\circ+\cos ^{2} 45^\circ ?

SSC CHSL 12 Oct 2020 Shift 3 Paper

Question : 70 of 100

Marks: +1, -0

What is the value of

\sin ^{2} 45°+\cos ^{2} 45° ?

Solution:

\sin ^{2} 45°+\cos ^{2} 45°

=({1}/{\√{2}})^{2}+({1}/{\√{2}})^{2}

={1}/{2}+{1}/{2}=1

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