Question

(d) find the value of tan 15°​

Answer 1

Answer:

2-root3

Step-by-step explanation:

Simplify tan15∘=tan(45−30∘)

so by tan(a-b)

tan45-tan30/1+tan45×tan30

1-1/root3/1+1×1/root3

so we get

root3-1/root3+1

so by rationalizing we get 2-root3