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Question 19
Complete the identity. CSC X cotx = ? sec x O A. sec? x O B. csc? x OC. 1 OD. cot? x Click to select your answer.
Complete the identity. csc? - sec2 = ? 0 None O 2 sin? seco O 2 1 - sec e O 4 cote csco
Question 18
an mes Support This Question: 1 pt Complete the identity. 1 sec X- = ? sec X O A. sec X CSC X ОВ. - 2 tan?x OC. sin x tan x OD. 1 + cotx
Verify that the equation is an identity. sec *x-tan 4x = 2 sec 2-1 To verify the identity, start with the more complicated side and transform it to look like the other side. Choose the correct transformations and transfer sec 4x-tan 4x = sec?x + tan x) Factor the difference of two squares. O(secx+ tanºx) (Type an exact answer in simplified form.) Choose an identity, and use it to transform tan-x. Then simplify. = 2 secx-1 7
Verify that the equation is an identity. secºx- tan x=2 sec?x-1 To verify the identity, start with the more complicated side and transform it to look like the other side. Choose the correct transformations and transform the e each step Factor the ecºx - tanx= (sec?x+tan tan) two squares. sec difference of (Тут sec?x-2 sec x tan x + tan x sec?x+2 sec x tanx + tanx sec?x + tanx secx-tan? Choose an identity, ar 2. ary ans se y...
This Question: 3 pts 13 of 26 (14 complete) Complete the identity. (sin x + cos x)2 1 + 2 sin x cos x OA. O OB. 1- sinx OC. - Sec OD. 1
Establish the identity. sec - csc = sin e- cos e sec csc Write the left side as a difference of two quotients. sec csc sec @csc @ Cancel the common factors from the previous step. Do not apply any trigonometric identity. 1-0 The expression from the previous step then simplifies to sin 0 - cos using what? O A. Even-Odd Identity O c. Quotient Identity O E. Pythagorean Identity
sin^2(theta/2)/sin^2
Complete the identity. sin sin2 = ? sinde O e cos? 2 1 4- cos e O_1 2cos e O sin? 2 + 2 cos e
sin ? o izt is! 2 2 sile oko NDAL Sill Complete identity
his Question: 5 pts Complete the identity cos x+ sin x sin x- cos x cos x sin x O A. 1- sec xcsc» O B. 2+ sec xcsc x O C. 2-sec xcscx OD, sec xcscx