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Class 10 Th 2021

 25- ;fn 𝑐𝑜𝑡𝜃 = 7 8 gks]rks 1+𝑠𝑖𝑛𝜃 (1−𝑠𝑖𝑛𝜃 )  1+𝑐𝑜𝑠𝜃 (1−𝑐𝑜𝑠𝜃 )  dk eku Kkr djsaA 2  26- ;fn nks le:Ik f=Hkqtksa ds {ks=Q...