Question

24 (sin oft cott that - (costcod/ + smxl Es = (sinta 'caux-604x) NAME: MATH 175 - PRECALCULUS TEST #4 - CHAPTER 7 4. VERIFY EACH TRIG IDENTITY: 10 pis EACH lo sintx-costx=2six-x-1 (sh ² - cos²x) (sin + cos²x) = 240 ²x ((six-cos²x) (1 - 200 x1 st²x - (1.5&x) = 2 sin x-1 sson ²x1 + sin²x=2sin ²-1 Casx=1-3122 (2592x-1= 25th 2x - 124 2. ces ("%+x)+sin ("%3+x)=V3 cosx = tanx 3. sin 2x+smX cos2x+c04x+1

Answer 1

lo sinan -Costu= a sinua (sining ²-(Cos')? Corte) (sinut cos'n) persinut forn a 17 विकारी Sinlu-cos²u - Sinuari-sinu dsinu - 1 ] Lohes de coffte) + sinfestu) = Lwe wool on os fixy tsinfettu Gol by cos x Sing, Sin etsin qe cd x Hosą sinen o cose - gian + Sz Casut isine | 13 cose [cos f 7 B)Coca cosB - Sinasie] f Sing18): SinocosB + GSA SUORA tenna Sin zu t sinn Cosant Cornet sin 2x=2 sim Cosul Cos 2x=2005²n-1) con Sinau t ginn cosant Cosnt asinnlosn t sinn 2052 Xt cosu iX Sinaf acest til Con Lacosti] Sinn Scanne cognath Cans tenen