jee-main 2021 Q71

jee-main · India · session1_25feb_shift2 Standard trigonometric equations Inverse trigonometric equation

$\operatorname { cosec } \left[ 2 \cot ^ { - 1 } ( 5 ) + \cos ^ { - 1 } \left( \frac { 4 } { 5 } \right) \right]$ is equal to:
(1) $\frac { 65 } { 56 }$
(2) $\frac { 75 } { 56 }$
(3) $\frac { 65 } { 33 }$
(4) $\frac { 56 } { 33 }$

$\operatorname { cosec } \left[ 2 \cot ^ { - 1 } ( 5 ) + \cos ^ { - 1 } \left( \frac { 4 } { 5 } \right) \right]$ is equal to:\\
(1) $\frac { 65 } { 56 }$\\
(2) $\frac { 75 } { 56 }$\\
(3) $\frac { 65 } { 33 }$\\
(4) $\frac { 56 } { 33 }$

Paper Questions

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