if tano+sino = m,tano -sino =n,prove that m^{2} -n^{2}=4root mn

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 a^{2} + b^{2} - c^{2} .

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if secA =x+ (1/4x), prove that secA + tanA =2x or 1/2x

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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

please answer my ques. Thanks in advance.

if a+b=90. prove that root of tana.tanb + tana.cotb / sina .secb - root of sin^{2}b / cos^{2}a=tana

Prove that sin theta-cos theta+1/sin theta+cos theta-1 = 1/sec theta -tan theta.

find the value of sin30 geometrically

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

if tan

~~o~~+sin~~o~~= m,tan~~o~~-sin~~o~~=n,prove that m^{2}-n^{2}=4root mnHow 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 a

^{2}+ b^{2}- c^{2}.plz answer soon if u want a thumbzzzz up guys !!!!!!!!!!!!!

if secA =x+ (1/4x), prove that secA + tanA =2x or 1/2x

rply fst!!!

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

Plzz answer fast

If sec(theta)=x+1/4x, prove that sec(theta)+tan(theta)=2x or 1/2x

please answer my ques. Thanks in advance.

if a+b=90. prove that root of tana.tanb + tana.cotb / sina .secb - root of sin

^{2}b / cos^{2}a=tanaProve that sin theta-cos theta+1/sin theta+cos theta-1 = 1/sec theta -tan theta.

find the value of sin30 geometrically

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