Maths

Cos^2A/sinA-cosecA+sinA=0
Prove lHS =RHS

  1. 👍 0
  2. 👎 0
  3. 👁 486
  1. well,
    -cscA+sinA = - 1/sinA + sinA = (sin^2A-1)/sinA = ...

    1. 👍 1
    2. 👎 1
    👨‍🏫
    oobleck

Respond to this Question

First Name

Your Response

Similar Questions

  1. maths

    Prove SinA/1-CosA = CosecA + CotA

  2. maths

    If sinA=1/2 then find cos^3A-3cosA.

  3. Pre-Calculus

    If sinA=3/5 when pi/2 < A < pi and cosB=5/13 when 3pi/2 < B < 2pi, find the exact value of the function cos(5pi/6+B).

  4. maths

    if 13 cos a=12, find the the value of sec a+sina?

  1. math

    if cos(B-C)+cos(C-A)+cos(A-B)=-3/2 then prove that cosA+cosB+cosC=O and sinA+sinB+sinC=O after that prove that cos(B-C)=cos(C-A)=cos(A-B)=-1/2

  2. Math

    prove that sinA/(1+cosA) + (1+cosA)/(sinA) = 2cosecA

  3. Maths

    Given that sinA=2/5 and that A is obtuse,find the value of cosA. 👍 0 👎 0 👁 25 asked by Raj yesterday at 4:18am sinA = 2/5, so cosA = √21/5 But A is in QII, so cosA = -√21/5 👍 0 👎 0 posted by oobleck yesterday at

  4. maths

    sinA+cosA=p and secA+CosecA=q then show that q[p^2-1]=2p

  1. math (trigonometry)

    if tan A/2 =cosecA-sin A then prove cos^2 A/2=cos 36 degree

  2. Trigonometry

    Prove that sin3A+sin2A-sinA = 4sinAcosA/2cos3A/2

  3. maths

    If cosA + sinA= root2 cosA Show that cosA - sinA= root2 sinA

  4. math

    Prove that sinA+sinB+sinC=-4cosA/2cosB/2cosC/2

You can view more similar questions or ask a new question.