Question

solve it fast please​

Answer 1

$\huge\blue{\boxed{\mathfrak{refer \: the \: attachment}}}$

$\small\blue{{\mathfrak{steps\: to \: do}}}$

• First multiply cosQ+sinQ+1 in LHS in both numerator and denominator

• Using identity
• $\small \boxed{{{a}^{2} - {b}^{2} = (a + b)(a - b) }}$
• Simplify the equation and cut cosQ

• Then you will find RHS=LHS

• Hence proved