Question

(Section - A]
The value of the expression sin cot-' (cos(tan-' 1))]is​

Answer 1

please give me thanks and choose me branliest answer

Answer:

Then we have

cos((

tan−1

1

1+

x 2

−−−−

−√

))

cos((tan−111+x2))

If

tan−1

1

1+x2−−−−

−√ =y,

π

4

≤y≤

π

2

⟹

tany=

1

1+x2−−−−

−√

tan−111+x2=y,π4≤y≤π2⟹tany=11+x2

and cosy≥0

cosy≥0

cos(tan−1

1

1+

x2

−−−−

−

√

)=cosy=

+

1

1+

tan 2

y

−−−−−

−

−−√=?

cos(tan−111+x2)=cosy=+11+tan2y=?