Write the given expression as the tangent of an angle. tan 7x -tan x 1 + tan 7x tan x 12pt v Paragraph v В I v T? v O words </> / 7 and cos v = 25 12 (Both u and v are in Quadrant II.) Find the exact value of cos (u + v) given that sinu = 13 Upload Choose a File !!

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Write the given expression as the tangent of an angle.
tan 7x -tanx
1 + tan 7x tan x
12pt v
Paragraph v
BIUA
T?ン
O words
</>
7
and cos v =
25
12
Find the exact value of cos (u + v) given that Ssinu
(Both u and v are in Quadrant II.)
13
Upload
Choose a File
::::
!!
>
>
>
>
Transcribed Image Text:Write the given expression as the tangent of an angle. tan 7x -tanx 1 + tan 7x tan x 12pt v Paragraph v BIUA T?ン O words </> 7 and cos v = 25 12 Find the exact value of cos (u + v) given that Ssinu (Both u and v are in Quadrant II.) 13 Upload Choose a File :::: !! > > > >
Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent.
(sin x + cos x)(sin x - cos x)
O csc x - cot°x – 2 cos²x
O sin°x = cos²x
in²x – cos²x
0
1- 2 sin
- x cos X
O 2 in?x - sec?x - tan²x
01-2 cosx
5 pts
Rewrite In sin & - In cos & as a single logarithm and then simplify the result.
O In|cos
In|sin a
In csc a
O In |tan &
O In|sec &
Transcribed Image Text:Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent. (sin x + cos x)(sin x - cos x) O csc x - cot°x – 2 cos²x O sin°x = cos²x in²x – cos²x 0 1- 2 sin - x cos X O 2 in?x - sec?x - tan²x 01-2 cosx 5 pts Rewrite In sin & - In cos & as a single logarithm and then simplify the result. O In|cos In|sin a In csc a O In |tan & O In|sec &
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