if tano+sino = m,tano -sino =n,prove that m2 -n2=4root mn
If cosec theta - cot theta = 1/3 then find the value of ( cosec theta + cot theta)
How to make working model on trigonometry?
if cos theta + sin theta =root2 cos theta prove that cos theta - sin theta =root 2 sin theta
If a sin theta + b cos theta = c , then prove that a cos theta - b sin theta = the whole under root a2 + b2 - c2 .
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if secA =x+ (1/4x), prove that secA + tanA =2x or 1/2x
if tan theta +sin theta=m, tan theta -sin theta=n show that m square -n square=4 root mn
prove that tan theta/1-cot theta +cot theta/1-tan theta=1+tan theta+cot theta
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If sec(theta)=x+1/4x, prove that sec(theta)+tan(theta)=2x or 1/2x
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If sec (theta) + tan (theta) = 7 then find the value of sec (theta) - tan (theta)
if a+b=90. prove that root of tana.tanb + tana.cotb / sina .secb - root of sin2b / cos2a=tana
Prove That: cos3theta+ sin3theta/cos theta+sintheta
Prove that sin theta-cos theta+1/sin theta+cos theta-1 = 1/sec theta -tan theta.
Express sin theta in terms of sec theta.
find the value of sin30 geometrically
a person had a number of toys to distribute among children . at first he gave 2 toys to each child , then 4 , then 5 ,and then 6 , but was always left with one . but if he had given 7 toys to each child , no toys would have been left with him . what is the smallest number of toys that he had?
if sec theta+tan theta =p ,prove that sin theta = (p square- 1) / (p square + 1)
tanA + secA -1 / tanA - secA + 1=1+sinA / cosA
if A,B,c are interior angles of triangle ABC then show that sin (B+C/2) = cos A/2
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