osesin and 3 Given sin e 5 -7 37 sin B= 25' 2 Find tan(20) <B< 27.
= Let cos(6) sin(0) B - sin() cos() and 0 << 27 (i) Calculate the eigenvalues of B. Hence prove that the modulus of the eigenvalues is equal to one. (ii) Calculate the eigenvectors of B.
Solve fort, 0 < t < 27. 32 sin(t)cos(t) = 12 sin(t)
cot(theta)=-3/4 and cos(theta) 7. cot(0) - 3 4 and cos(0) <0, find the exact value of sec(0)
Suppose sin(a)= - 3 5 with 180°<a <270°, what is cos(2a)? 24 25 7 25 7 O 24 24 O 25
Question 25 25. Solve the trigonometric equation exactly over the interval 0 <3 < 27. cos(«) – sin(x) = 1 O 0, T, 27, 37 O 0, 21, 31 2 O 0, 1, 21 37 O 0, 21, 1 2 2 TT O 0, 1, Previous
rose 3 sin (40) - Find all points 0 <0 < 27 where the curve r = 2 - 4 cos 0 has vertical or horizontal unes.
7. Given cos 20 = --and 180° <0 < 270°, find values of sino and cose.
Find exact values under the given conditions 3. Find the exact value of cos (a + b ) under the given conditions: tang = - <a<n; cosß = 1, 0<B<
(7 pts) Use double angle identities to find the indicated value. 13) cos o = sin 0 <0 Find sin(20).