please show work :) 3. Solve logzx + log2(x+6)=4 4. Given sine -- and cos se...
question 81 show all work please 81. Suppose cos(6) and is in quadrant IV. Find sin(0) and tan , (X) 82. Evaluate: co 83. Evaluate: sin(-600°)
please answer 1,2 and 3! 1. 2. 3. Verify that the equation is an identity. (Hint: sin 2x = sin (x + x)) sin 2x = 2 sin x cOS X Substitute 2x = x + x and apply the sine of a sum identity. sin 2x = sin (x + x) (Do not simplify.) Use the given information to find (a) sin (s +t), (b) tan (s+t), and (c) the quadrant of s + t. 3 12 and sint=...
please show steps on how to solve Use the given information to find the quadrant in which lies. sin 0 > 0 and cos 0 < 0 O A. Quadrant III OB. Quadrant 11 O c. Quadrant IV OD. Quadrant
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]
If cos(+ 6 the number A cos(x + 5) + sin(- - ) = A, then 8 Find the EXACT value of sin(A + B) if sin A = - where A is in Quadrant IV and sin B = 17 B is in Quadrant III. Assume all angles are measured from standard position. 12 where 13 sin(A + B) =
secured#lockdown sqrt(2)}/4 Question 3 3. Given sin(A) = - in Quadrant III and cos(B) = { in Quadrant IV, find sin(A + B). Leave your answer in simplified form. Include reference triangles. on 4 2x) - cos(6x)sin(4x) = 0 on the interval [0, 21)
ASSIGNMENT 3: SINE LAW b C a The Sine Law equation is given as Sin A Sin B Sin C Using this equation, if a triangle ABC has angle C = 106 °, angle A = 31 ° and side c = 10 cm. Solve the triangle ABC by finding angle B and sides b and a. B c=10cm 106/ 31° b A
PLEASE SHOW WORK!!!!!! 9) Find the value of the expression. a. cos arctan -- b. tan(arcsin(x)) = 10) From a point on a cliff 85 feet above water level an observer can see a ship. The angle of depression to the ship is 40. How far is the ship from the base of the cliff? sec? x 11) Verify the identity: -tan’x = tan x cotx 12) Find all solutions algebraically in the interval [0, 2T): sec? - 3 tan...
2 se the double-angle identities to verify the identity 1+cos(2x 2 cos* x = 9. Solve exactly over the indicated interval. a) sin(2x)-cos.x, all real numbers b) 2 cos(29) =-1, 0 θ < 2π
question 47 and 48 please. Thanks 43. tan” x - 2 tan x = 0 44. 2 tan” x - 3 tan x = -1 45. tan- 0 + tan 0 - 6 = 0 46. sec? x + 6 tan x + 4 = 0 2.4 Evaluating Trigonometric Functions in Exercises 47-50, find the exact values of the sine, cosine and tangent of the angle. 47. 75º = 120° - 45° 48. 375º = 135° + 240° 402511 -...