C-09-Q076mediumsingle_mcqIf 15cotA=815\cot A = 815cotA=8, then cotA=?\cot A = ?cotA=?a158\dfrac{15}{8}815b815\dfrac{8}{15}158c78\dfrac{7}{8}87d18\dfrac{1}{8}81ব্যাখ্যাDividing both sides of 15cotA=815\cot A = 815cotA=8 by 151515 gives cotA=815\cot A = \dfrac{8}{15}cotA=158.