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Find the number of solutions of sin^2x-s...

Find the number of solutions of `sin^2x-sinx-1=0 xin[-2pi,2pi]`

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. In triangle A B C , if cosA+cosB+cosC=7/4, t h e n R/r is equal to 3/4...

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  3. Find the number of solutions of sin^2x-sinx-1=0 xin[-2pi,2pi]

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  4. Find the length of an arc of a circle of radius 5cm subtending a ce...

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  7. Find in degrees the angle subtended at the centre of a circle of di...

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  8. The area of a regular polygon of n sides is (where r is inradius, R is...

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  10. If arcs of same length in two circles subtend angles of 60^0 and 75^0 ...

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  11. If the sides a , b , c of a triangle A B C form successive terms of G....

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  12. The number of solution of 16^(sin^2 x) + 16^(cos^2 x) = 10 : 0 le x le...

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  13. If secx+sec^2x=1 then the value of tan^8x-tan^4x-2tan^2x+1 will be equ...

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  14. In triangle A B C ,ifPdotQ ,R divides sidesB C ,A C , and A B , respec...

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  15. Find the general value of theta which satisfy both sintheta=-1/2 and t...

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