Question

prove that....
a)30 b)45 c)60 d)90
​

Answer 1

Answer:

$a)1 \div \tan30 = \sqrt{3} \\ b)1 \div tan45 = 1 \\ c)1 \div \tan60 = 1 \div \sqrt{3 } \\ d)1 \div tan90 = \infty$

this is your required answer