Question

Class -11th

#Maths
#Trigonometric Functions...
#JEE...

Solve , with proper explanation...​

Answer 1

${\huge{\underline{\underline{\mathscr{ANSWER}}}}}$

In this ,

replace the value of r by 1,2,3,...,15

so as to Find the value of S1 and S2

now ,

if we divide ,

we get

$\longrightarrow\pink{ \cot( \theta) }$

So, Option A is correct !