Find ik (sin(/2") in(2)cos(x2) e Int232?cos(12) cca 28cost/35 což inc22?costva)
Show that cos e+sin e) sec2 e+2tan 2 cos2 e (12) (a) Hence find all values of 0, where 0<0< 2T, which satisfy the equation sec20+ 2 tan 0 (b) =2(2 + tan e) (cos e+sin e)
2. If ze = V15(cos 35° + i sin 35°) and Z2 = v5(cos 10° + i sin 10°), find 777, and write your answers in both trigonometric form and rectangular form. If rounding is necessary, round to three decimal places.
convert to radians
5) γ 4cos (2θ-5) r 3 (sin(e - 2))2 + 4 cos(20-5) r-6(sin(9-2))2 + 4 cos(2e-5) 9(sin(9-2))2 + 4 cos(2e-5) r 12(sin(e - 2))2 +4 cos(20 5)
5) γ 4cos (2θ-5) r 3 (sin(e - 2))2 + 4 cos(20-5) r-6(sin(9-2))2 + 4 cos(2e-5) 9(sin(9-2))2 + 4 cos(2e-5) r 12(sin(e - 2))2 +4 cos(20 5)
4. R 5 3 e 12 Find sin (9). COS C), tan
a) Find sin( 2 ) + cos(20) using the picture below. 0 12 b) Find the exact value of cos s(3) if sin(x) = 13 and x is in quadrant III.
Find sin 0. 12 tan 0 = -, cos e>0 sin = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
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
Replace the polar equation with an equivalent Cartesian equation. r2 + 2r -2 sin e cos 0 = 144 O X + y = $12. O x + y = 12 x² + y² = 144 O x2 + 3y2 = 144
Find the exact value of: sin(cos^-1(-5/13) + tan^-1(8/15
12. Find the exact value of: sin(cos + tan 13
Use an appropriate identity to solve the given equation. 1 (a) sin(0) cos (35°) + cos(0) sin (35°) = 2 (b) cos(2x) cos(x) + sin(2x) sin(x) = -1