Question

tan 30 cos 60-cot30 sin60

​

Answer 1

Answer:

=1/5(√3 -9)

Step-by-step explanation:

(1/√3)(1/2)-(√3)(√3/2)

=1/2√3-3/2

then rationlise 1/2√3 to give 2√3/12

therefore, 2√3/12-3/2

=4√3 - 36/24

=4(√3 - 9)/24

=1/5(√3 -9)