Math, asked by vbtarapur, 2 months ago

(1 + cotA - cosecA) (1 + tanA + secA)?​

Answers

Answered by sandy1816
1

(1 + cota - coseca)(1 + tana  + seca) \\  \\  = ( \frac{sina + cosa - 1}{sina} )( \frac{cosa + sina - 1}{cosa} ) \\  \\  =  \frac{( {sina + cosa})^{2} - 1 }{sinacosa}   \\  \\  =  \frac{2sinacosa}{sinacosa}  \\  \\  = 2

Similar questions