standard_description: Use special triangles to determine geometrically the values of sine, cosine, tangent for π/3, π/4 and π/6, and use the unit circle to express the values of sine, cosines, and tangent for π–x, π+x, and 2π–x in terms of their values for x, where x is any real number.
problem_activity: Problem 1
What is the value of
$$1.4 \div 0.02$$
?
Problem 2
Estimate
$$4.92 \div 0.78$$
.


aligns: no