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Find theta if sin theta -cos theta lt0...

Find `theta` if `sin theta -cos theta lt0`

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If sin theta+cos theta = 7/5 then sin theta cost theta = 12/25 , find the value of sin theta and cos theta .

If 2 sin theta cos theta = 1 , then find the value of sin theta-cos theta .

If tan theta = -4/3 , find the value of (sin theta + cos theta) .

If tan theta = 4/3 , find the value of (sin theta + cos theta) .

If theta = 160^(@) , find the sign of (sin theta + cos theta)

If cot theta = (3)/(4) find the value of : ( sin theta- cos theta)/(sin theta+cos theta)

Let alpha and beta be the roots of the quadratic equation x^(2) sin theta - x (sin theta cos theta + 1) + cos theta = 0 (0 lt theta lt 45^(@)) , and alpha lt beta . Then Sigma_(n=0)^(oo) (alpha^(n) + ((-1)^(n))/(beta^(n))) is equal to

If sin theta = cos theta , what is sin theta - cos theta = ?

If 3 cot theta=4 , then find the value of (5 sin theta+3 cos theta)/(5 sin theta-3 cos theta).

If tan theta = 15/8 and cos theta is negative, find the value of (sin (-theta) - cos theta)/(tan(-theta) + "sec"(-theta)) .

PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
  1. sin^3x.sin3x=underset(mrarr0)(oversetnsumCmcosmx is an identity in x,w...

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  2. Find sin( (pi)/n)+sin ((3pi)/n)+sin ((5pi)/n)+……..to n terms

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  3. Find theta if sin theta -cos theta lt0

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  4. Find A/2 if 2sin (A/2)=sqrt(1+sin A)+sqrt(1-sin A)

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  5. Find the range of A/2 if it satisfies 2 cos( A/2)=sqrt(1+sin A)-sqrt(1...

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  6. Find the maximum and minimum of 3sin 2x+4 cos 2x+3

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  7. Prove that -4le5cos theta +3 cos (theta+pi/3)+3le10 for all values of...

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  8. Find the maximum value of1+sin(pi/4+theta)+2cos(pi/4-theta) for all re...

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  9. Find cos(alpha+beta) if tan(alpha/2) and tan (beta/2) are roots of the...

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  10. If sec alpha and cosec alpha are the roots of x^2-px+q=0 then prove...

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  11. IfA+B+C=180^@then prove that sin( A/2)+sin( B/2)+sin( C/2) = 1+4 sin...

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  12. If x+y+z=xyz then prove that (3x-x^3)/(1-3x^2)+(3y-y^3)/(1-3y^2)+(3z-z...

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  13. Simplify the product cos A cos 2A cos2^2A……cos2^(n-1)A

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  14. Prove that the value of underset(r=0)overset10sum cos^3((rpi)/3) is eq...

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  15. If sinx+cosx=m and secx+cosecx=n prove that n(m^2-1)=2m

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  16. if xsin^3theta+ycos^3theta =sin theta cos theta and x sin theta -y cos...

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  17. Show that (sin^2 theta)/(1-cot theta)+(cos^2 theta)/(1-tan theta )=1+s...

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  18. If a sec alpha +btan alpha=d and bsec alpha +a tan alpha=c prove that ...

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  19. If a cos^3theta +3a cos theta sin^2theta =x and asin^3theta+3a cos^2th...

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  20. If cos alpha =1/2(x+1/x),cos beta=1/2(y+1/y) then evaluate cos(alpha-b...

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