True/False
Determine whether the statement is true or false.
-cos(30°+ 45°)= cos 30° · cos 45° - sin 30° · sin 45°
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q83: Use a calculator to decide whether the
Q84: Without using a calculator, give the
Q85: Evaluate.<br>- <span class="ql-formula" data-value="2 \tan ^
Q86: Solve the problem.<br>-Any offset between a
Q87: Solve the problem.<br>-To measure the width
Q89: Find a solution for the equation. Assume
Q90: Find a solution for the equation.
Q91: Solve the problem.<br>-A formula used by
Q92: Determine whether the statement is true
Q93: Solve the problem.<br>-A boat sails for 2