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If a costheta + b sintheta=3 and a sinth...

If `a costheta + b sintheta=3` and `a sintheta - b costheta=4`, then `a^(2)+b^(2)` has the value 25

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AAKASH INSTITUTE-TRIGNOMETRIC FUNCTIONS -Section-B (Objective Type Questions One option is correct)
  1. (cosec A. cosecB+cotA . cotB)^2-(cosec A. cotB + cosecB. cot A)^2 is

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  2. If tan alpha + cot alpha=a, then the value of tan^(4)alpha + cot^(4)a...

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  3. If a costheta + b sintheta=3 and a sintheta - b costheta=4, then a^(2)...

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  4. Suppose that acostheta = b and csintheta = d, for theta and some const...

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  5. The number of intersecting points on the graph for sinx=x/10 for x in ...

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  6. |(3-sec^2 x)(max) -( 4+tan^2 y)(min)| equals

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  7. If tantheta =p/q, then the value of (p sintheta-q costheta)/(p sinthet...

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  8. The value of sin1.cos2.tan3.cot4.sec5.cosec6 is (1) Positive (2) Negat...

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  9. Which of the following is correct?

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  10. The perimeter of a certain sector of a circle is equal to half that of...

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  11. If alpha, beta, gamma in [0,2pi], then the sum of all possible values ...

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  12. The angles of a triangle are in A.P. and the number of degrees in the ...

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  13. If ABCD is a cyclic quadrilateral such that 12tanA-5=0 and 5cosB+3=0 t...

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  14. If costheta+sectheta=-2, theta in [0,2pi] then sin^8theta+cos^8theta i...

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  15. If the maximum value of cos(cosx) is a and minimum value is b, then

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  16. If (2sinA)/(1+sinA+cosA)=k then (1+sinA-cosA)/(1+sinA)=

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  17. 41. If sin x + sin^ 2 x = 1, then the value of expression cos^12x+3co...

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  18. If sum(r=15)^29(cos(rpi/2+theta)=S1 and sum(r=15)^29(sin(rpi/2+theta)...

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  19. The maximum value of cos^(2)(cos(33pi + theta))+sin^(2)(sin(45pi+theta...

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  20. If (sin^4x)/2 + (cos^4x)/3=1/5, then

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