Question
sin−1(sin10)=
Answer: Option B
:
B
3π<10<3π+π2∴10rad∈Q3∴−π2<3π−10<0∴3π−10∈Q4Alsosin(3π−10)=sin10Hencesin−1(sin10)=sin−1sin(3π−10)=3π−10
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:
B
3π<10<3π+π2∴10rad∈Q3∴−π2<3π−10<0∴3π−10∈Q4Alsosin(3π−10)=sin10Hencesin−1(sin10)=sin−1sin(3π−10)=3π−10
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