Examlex
Use the Half-angle Formulas to find the exact value of the trigonometric function.
-
Calculated Value
A numerical value derived from a mathematical computation or formula.
Directional
Refers to a hypothesis or test that specifies the expected direction of the relationship or difference between variables.
Critical Value(s)
Critical values are key points used to determine the region of rejection for a null hypothesis in statistical testing, ensuring the test's validity under specific confidence levels.
Non-directional
A hypothesis that does not specify the direction of the expected difference or relationship, indicating only that there is a difference.
Q37: <span class="ql-formula" data-value="y = \tan \left( x
Q57: For what numbers <span class="ql-formula"
Q77: <span class="ql-formula" data-value="2 + 13 \sin x
Q89: A water wheel rotates through the
Q89: A square wave is built up
Q156: <span class="ql-formula" data-value="\cos ( 2 \theta )
Q187: <span class="ql-formula" data-value="y = - \sec x"><span
Q281: <span class="ql-formula" data-value="f ( x ) =
Q282: <span class="ql-formula" data-value="e ^ { x }
Q334: <span class="ql-formula" data-value="\frac { \pi } {