SAT Subject Test Mathematics Level 2
The 42° angle is opposite the given 6, and the side you’re looking for is the adjacent side, so you can use ...
Start by multiplying to eliminate the parentheses: You always want to look for cos^2 x + sin^2 x = 1, which, ...
LEVEL 2 IDENTITIES Besides questions that ask explicitly about such identities, there are other questions t ...
COTANGENT, SECANT, AND COSECANT The answer is (E), but the above method is much longer, more involved, and more ...
Double-Angle Identities Half-Angle Identities GRAPHING TRIGONOMETRIC FUNCTIONS Example 4 is about graphing a ...
Figure 2 To graph a trigonometric function, put the angles (usually in radians) on the x-axis and the result ...
RADIANS π radians = 180 degrees Basic trig function 2: The graph of y = cos x is a curve that look ...
MATH 2 STRATEGY: MAKE A MENTAL PICTURE OF THE GRAPHS OF Y = SIN X, Y = COS X, AND Y = TAN X Fix in ...
Here’s a question that looks like a complicated trigonometry question but turns out not to be trigonome ...
Now solve for x as usual: It’s given that 0 ≤ θ ≤ π. The sine is nonnegative, and the answer is ( ...
LAW OF SINES AND LAW OF COSINES If you know any two angles and one side of a triangle, you can figure out t ...
opposite the 108°. The side you’re given, AC, is opposite the unlabeled angle, which measures 180 – 108 – ...
Level 2 Identities Functions of Sums Double-Angle Identities Half-Angle Identities Radians π radians = 180 degree ...
Law of Sines and Law of Cosines c^2 = a^2 + b^2 − 2ab cos C ...
Trigonometry Follow-Up Test 8 Minutes — 6 Questions Directions Solve problems 1–6. Select the best answer ...
(A) 0 (B) sin θ (C) sin 2θ (D) 2 sin θ (E) 2 sin^3 θ 3 . If and the value of is (A) 0.22 (B) 0.25 (C) 0.45 (D) ...
6 . Figure 2 shows a regular pentagon with all of its vertices on the sides of a rectangle. If what i ...
Answer Key TRIGONOMETRY FOLLOW-UP TEST 1 . E 2 . E 3 . A 4 . C 5 . B 6 . C ...
Answers and Explanations TRIGONOMETRY FOLLOW-UP TEST 1 . E Since you are given the opposite and adjacent sides, ...
4 . C This is just a quadratic equation where the unknown is tan θ: 5 . B The graph intersects the y-a ...
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