Q25 of 42 Page 193

If cosec θ + cot θ = p . Prove that .

It is given


...(1)


We know that,



⇒





Adding (1) and (2)


We get



∴


⇒


We know








(∵ (a + b)2 = a2 + b2 + 2.a.b)




((∵ (a–b)2 = a2 + b2–2.a.b)



Hence Proved.


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