JEE Math Practice Question
If $$a=\sin ^{-1}(\sin (5))$$ and $$b=\cos ^{-1}(\cos (5))$$, then $$a^2+b^2$$ is equal to
- A.25
- B.$$4 \pi^2+25$$
- C.$$8 \pi^2-40 \pi+50$$
- D.$$4 \pi^2-20 \pi+50$$
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