If sin x x in quadrant I, then find (without finding x) 2 7 sin(2x) =...
15 Find sin 2x, cos 2x, and tan 2x if tanx = and x terminates in quadrant I. 8 sin 2x = 0 Х s ? cos 2x C tan 2x
2. -13 points OSCAT1 9.3.106. If tan(x) = -3 and x is in quadrant IV, find the exact values of the expressions without solving for x. (a) sin(2x) (b) cos(2x) (c) tan(2x)
Please write legibly. Find sin 2x, cos 2x, and tan 2x if tanx = – and x terminates in quadrant III. DO sin 2x = 0 X ? cos2x = 0 tan 2x = 0
8. Find sin 2x, given that sin x=3/5 and x is in quadrant II. -4/7 24/7 24/25 V6/25
If tan x = -and x is in the fourth quadrant, find the following values. (a) sin (1) (b) cos (3) (c) tan(2x)
Find sin(2x), cos(2x), and tan(2x) from the given information. tan(x) = ) = - cos(x) > 0 sin(2x) = cos(2x) = tan(2x) =
O TRIGONOMETRIC IDENTITIES AND EQUATIONS Double-angle identities: Problem type 1 3 Find sin 2x, cos 2x, and tan 2x if sinx and x terminates in quadrant III. 10 . 0/0 sin 2x = X5 ? cos 2x tan 2x L
13 points 0/3 Submissions Used Find sin (2x), cos(2x), and tan(2x) from the given information sec (n) 8, in quadrant II sin (2x) cos (2x)- tan (2x) = Practice
If tan(x) = - and x is in quadrant IV, find the exact values of the expressions without solving for x. (a) sin() (b) cos) (c) tan(1)
show work 9. tan 37 10. sec 4 11. Find sin(x + y) and cos(x + y) if cosx = - cosy = -— x is in quadrant II and y is in quadrant III. [10] 12. Find the exact value of sin 2x and cos 2x if sin x = and cos x = - [6] 5 13. Simplify tan (x + 3) to a form involving sinx, cosx, and/or tanx. [6]