cos² e- sin² ǝ? 17. Which compound angle formula is the easiest to use to develop the expression cos f. addition formula for sine C. g. addition formula for cosine d. division formula for sine division formula for cosine 18. Which graph of the following functions does not have vertical asymptotes? h. y = = cotx b. y = sinx C. y = tanx d. y=secx

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 39RE
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pls help asap on both pls.

cos² e- sin² ǝ?
17. Which compound angle formula is the easiest to use to develop the expression cos
f.
addition formula for sine
C.
g.
addition formula for cosine
d.
division formula for sine
division formula for cosine
18. Which graph of the following functions does not have vertical asymptotes?
h.
y =
= cotx
b.
y = sinx
C.
y = tanx
d.
y=secx
Transcribed Image Text:cos² e- sin² ǝ? 17. Which compound angle formula is the easiest to use to develop the expression cos f. addition formula for sine C. g. addition formula for cosine d. division formula for sine division formula for cosine 18. Which graph of the following functions does not have vertical asymptotes? h. y = = cotx b. y = sinx C. y = tanx d. y=secx
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