pls help fast!!!! Share with your friends Share 0 Manbar Singh answered this Let x = cot β + 5 tan β2⇒x = cot2β + 25 tan2β + 2 × cot β × 5 tan β⇒x = cot2β + 25 tan2β +10 cot β . tan β⇒x = cot2β + 25 tan2β + 10 × 1tan β× tan β⇒x = cot2β + 25 tan2β + 10⇒x = cot2β + 25 tan2β + 10 - 10 + 10 Adding and subtracting 10⇒x = cot2β + 25 tan2β - 10 + 10 + 10⇒x = cot2β + 25 tan2β - 10 +20⇒x = cot β2 + 5 tan β2 - 2 × cot β × 5 tan β + 20 as, cot β . tan β = 1⇒x = cot β - 5 tan β2 + 20⇒cot β + 5 tan β2 = cot β - 5 tan β2 + 20 0 View Full Answer