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The solutions of the equation 1+(sinx-co...

The solutions of the equation `1+(sinx-cosx)sinpi/4=2cos^2(5x)/2` is/are `x=(npi)/3+pi/8, n in Z` `x=(npi)/2+(5pi)/(16), n in Z` `x=(npi)/3+pi/4, n in Z` `x=(npi)/2+(7pi)/8, n in Z`

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. Find the least value of sec^6x+cos e c^6x+sec^6xcos e c^6xdot

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  2. In A B C ,a , ca n dA are given and b1,b2 are two values of the third...

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  3. The solutions of the equation 1+(sinx-cosx)sinpi/4=2cos^2(5x)/2 is/are...

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  4. Find the values of a for which a^2-6sinx-5ale0,Aax inR.

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  5. If A=30^0, a=7,and b=8 in A B C , then find the number of triangles t...

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  6. If xa n dy are positive acute angles such that (x+y) and (x-y) satisfy...

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  7. Find the minimum value of 2costheta+1/(sintheta)+sqrt(2)tanthetain(0,p...

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  8. If in triangle ABC, (a=(1+sqrt(3))c m ,b=2c m ,a n d/C=60^0 , then fin...

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  9. Solve sin^4(x/3)+cos^4(x/3)>1/2

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  10. If sin^4alpha+cos^4beta+2=4sinalphacosbeta,0lt=alpha,betalt=pi/2 then ...

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  11. In A B C ,/A=90^0a n dA D is an altitude. Complete the relation (B D)...

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  12. Solve sinx+siny=sin(x+y)a n d|x|+|y|=1

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  13. Find the values of p so that the equation 2cos^2x-(p+3)cosx+2(p-1)=0 h...

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  14. A B C is a triangle, P is a point on A B a n dQ is a point on A C such...

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  15. Solve sinx > -1/2

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  16. Let ABC be a triangle having O and I as its circumcentre and incentre,...

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  17. Which of the following is possible?

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  18. Solve 2cos^2theta+sinthetalt=2, where pi/2lt=thetalt=(3pi)/2dot

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  19. Evaluate the sine of each of the following angles without using a ca...

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  20. Let A B C be a triangle with incenter I and inradius rdot Let D ,E ,a ...

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