Solved

Use Addition or Subtraction Formulas to Find the Exact Value $\tan \left( - 15 ^ { \circ } \right)$

Question 42

Essay

Use addition or subtraction formulas to find the exact value of $\tan \left( - 15 ^ { \circ } \right)$ .

Related Questions

Q37: Prove <span class="ql-formula" data-value="\sin (

Q38: Find all solutions of <span

Q39: Prove <span class="ql-formula" data-value="\cos \left(

Q40: Write the product as a sum.

Q41: Use a half-angle formula to find

Q43: Use an addition or subtraction formula

Q44: Find all solutions of <span

Q45: Find all solutions of <span

Q46: Write the given expression in terms

Q47: Simplify. <span class="ql-formula" data-value="\frac {