Wednesday, August 7, 2013

trigonometry NCERT ↑↑↑↑↑






Trigonometry NCERT ↑↑↑↑↑

Given that sinθ + 2cosθ = 1, then prove that 2sinθ – cosθ = 2


NCERT EXEMPLARY QUESTION


Trigonometry --- NCERT ↑↑↑↑


trigonometry -- NCERT ↑↑↑↑

If cosec θ + cot θ = p, then show that cos θ = (p2 – 1)/ (p2 +1)

NCERT EXEMPLARY QUESTIONS

trigonometry - NCERT ↑↑↑↑

If 1 + sin2θ = 3sinθ cosθ , then prove that tanθ = 1 or ½ 

NCERT  EXEMPLARY QUESTION

Trigonometry - NCERT ↑↑↑↑


If Sin A – Cos A = 0
Then show that Sin4A + Cos4A = ½ 


NCERT EXEMPLARY QUESTION

Trigonometry - NCERT ↑↑↑↑



If 4tanA = 3, Then find the value of    (4sinA – CosA)/(4sinA + CosA)



NCERT EXEMPLARY QUESTION 

trigonometry - NCERT ↑↑↑↑




                     

NCERT EXEMPLARY QUESTION


trigonometry ---- NCERT ↑↑↑↑



If Sin A = ½, Cos B = ½, find the value of A+B


Trigonometry - NCERT ↑↑↑↑



If Sin A + Sin2A =1

Find the value of Cos2A + Cos4A

NCERT  EXEMPLARY QUESTION

TRIGONOMETRY -- NCERT ↑↑↑↑



Find the value of Tan1o.tan2o.tan3o.......tan89o

NCERT EXEMPLARY QUESTION

trigonometry - NCERT ↑↑↑↑



If Sin A = ½, find the value of Cot A.

NCERT EXEMPLARY QUESTION 

trigonometry - NCERT ↑↑



If Sin A = a/b, then find Cos A.


NCERT EXEMPLARY QUESTION