1 +( cot2A /1 + cosecA)=cosecA

LHS = 1 + cot2A1 + cosec A = 1 + cosec2A - 11 + cosec A = 1 + cosec A2 - 121 + cosec A = 1 + cosec A + 1 cosec A - 1cosec A + 1 = 1 + cosec A - 1 = cosec A = RHS

Login

1 +( cot²A /1 + cosecA)=cosecA

LHS = 1 + \frac{\cot^{2} A}{1 + cosec A} = 1 + \frac{{cosec}^{2} A - 1}{1 + cosec A} = 1 + \frac{{(cosec A)}^{2} - {(1)}^{2}}{(1 + cosec A)} = 1 + \frac{(cosec A + 1) (cosec A - 1)}{(cosec A + 1)} = 1 + cosec A - 1 = cosec A = RHS

80

View Full Answer

011-40705070

Applect Learning Systems Pvt. Ltd.

What are you looking for?