Answer:
-62
Step-by-step explanation:
Answer:
The exact values of the tangent, secant and cosine of angle theta are, respectively:



Step-by-step explanation:
The components of the unit vector are
and
. Since
, then
and
. By Trigonometry, tangent and secant can be calculated by the following expressions:


Now, the exact values of the tangent, secant and cosine of angle theta are, respectively:



1920÷12= 160
Step-by-step explanation:
1920÷12= 160
Pair 2 is a reflection. If you rotated it it would be flipped, so that doesn’t make sense.
4. ΔBDE ~ ΔBAC; Side-Angle-Side (SAS) Similarity Postulate
5. ∠B ≅ ∠B; Reflexive Property of Equality