Question

Pls solve it
cos38° Cosec52°
_____________
tan18° tan35° tan60° tan72° tan55°​

Answer 1

cos(90°-52°) cosec52°

_________________

tan(90°-72°) tan(90°-55°) √3 tan72° tan 55°

sin52° cosec52°

_____________

cot72° cot55° √3 tan72° tan55°

sin is reciprocal of cosec

cot is reciprocal of tan

so,

1/√3 is correct answer

Thank You