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Jun 13, 2020 · Cos x + sin ( 3pi/2+x) - sin (3pi/2-x) +cos (pi +x)=0 - 18337741. SOLVE THE FOLLOWING PROBLEMS 21. A) What should be added to (+-) to get 17 (OR) B) By what number (-18) 1 should be divided so the quotient b 22.
Apr 4, 2015 · sin 3pi/2=-1 then f(-1)=9,cos3pi/2=0 then f(0)=5 then answer is 9+5=14 its wrong Advertisement ...
Jul 1, 2021 · Prove that cos x + sin(3pi/2 + x)-sin(3pi/2 - x) + cos(pi + x)=0 Get the answers you need, now!
May 1, 2020 · If sin x = 1/4. and pi < x < 3pi/2 , find tan x exactly. Answer: Step-b. You need to remember that the tangent function is rational, hence tan 2x = (sin 2x)/ (cos 2x). The problem provides the information that the angle x is in quadrant 3, hence sin xlt0 ; cos xlt 0 . You need to remember the formula of half of angle such that:
Answer: Step-by-step explanation: nπ/2 will be equal to 2kπ + π/2. Thus, sin (nπ/2) will be equal to 1. If n is of the form 4k+3, nπ/2 will be equal to 2kπ + 3π/2.
7(cos 3pi/2+ i sin3pi/2) If you can't give answer, help me lear Algebra -> Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: I am having lots of trouble in this area of math, but I'm ask to write the complex number in rectangular form.
Question 1203403: Find the exact value of the trigonometric function. sin(3pi/2) Found 2 solutions by ikleyn, math_tutor2020:
Jul 5, 2019 · If tan a=2 and a belongs to (π,3π/2) then the value of the expression cos a/sin^3a+cos^3a is equal to Get the answers you need, now! vidhirastogi01 vidhirastogi01 05.07.2019
Sep 18, 2020 · Click here 👆 to get an answer to your question ️ if sin x =-1/2, pi<x<3pi/2 find sin 2x cos 2x tan 2x Aman00700 Aman00700 18.09.2020
Jul 13, 2020 · If sin alpha=-3/5 where π<alpha<3π\2 then cos 1/2 alpha is . However, it is given that theta is between π and 3π/2, so this puts theta in the third quadrant. Therefore, cos (theta) = - 4/5 (because theta is in third quadrant). Answer:
