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If sintheta+sin^2theta=1 , prove that...

If `sintheta+sin^2theta=1` , prove that `cos^2theta+cos^4theta=1`

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If sin theta+sin^(2)theta=1, prove that cos^(2)theta+cos^(4)theta=1

If sin theta+sin^(2)theta=1 Prove that cos^(2)theta+cos^(4)theta=1

If sintheta+sin^(2)theta=1 , then prove that cos^(12)theta+3cos^(10)theta+3cos^(8)theta+cos^(6)theta-1=0

If sin theta + sin^(2) theta = 1 , then prove that cos^(2) theta + cos^(4)theta = 1.

If sin theta+sin^(2)theta+sin^(3)theta=1, then prove that cos^(6)theta-4cos^(4)theta+8cos^(2)theta=4

If sintheta+sin^(2)theta = 1 then cos^(2)theta+cos^(4)theta is equal to :

If sin theta+cos theta=x then prove that sin^(6)theta+cos^(6)theta=(4-3*(x^(2)-1)^(2))/(4)

If sin theta+cos theta=x, Prove that :sin^(6)theta+cos^(6)theta=(4-3(x^(2)-1)^(2))/(4)

Given that sin theta+2cos theta=1 then prove that 2sin theta-cos theta=2

If sintheta+sin^(2)theta=1 , then find the value of cos^(2)theta+cos^(4)theta .

CBSE COMPLEMENTARY MATERIAL-INTRODUCTION TO TRIGONOMETRY-SHORT ANSWER TYPE QUESTIONS
  1. (tanA+secA-1)/(tanA-secA+1)=(1+sinA)/(cosA)

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  2. Prove 1/(secx-tanx)-1/(cosx)=1/(cosx)-1/(secx+tanx)

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  3. (tantheta)/(1-cottheta)+(cottheta)/(1-tantheta)=1+tantheta+cottheta=se...

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  4. Prove that (sin theta + "cosec" theta)^(2)+(cos theta + sec theta)^(...

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  5. secA(1-sinA)(secA+tanA)=1

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  6. If tantheta+sintheta=m and tantheta-sintheta=n, then prove that: m^(2)...

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  7. If sectheta=x+(1)/(4x),prove that sectheta+tantheta=2xor(1)/(2x)*

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  8. If sintheta+sin^2theta=1 , prove that cos^2theta+cos^4theta=1

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  9. Without using trigonometric table, the value of cotthetatan(90^(@)-t...

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  10. Prove that : (cot(90^(@)-theta))/(tantheta)+("cosec"(90^(@)-theta)sint...

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  11. Without using trigonometric tables, evaluate each of the following: (...

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  12. If A, B, C are the angles of DeltaABC then prove that "cosec"^(2)((B+C...

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  13. Find the value of sec^(2)10^(@)-cot^(2)80^(@)+(sin15^(@)cos75^(@)+cos1...

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  14. Prove the following identities: (tantheta-cottheta)/(sinthetacostheta...

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  15. If sintheta+costheta=sqrt2costhetathen costheta-sintheta is equal to

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  16. Evaulate : 4-(sin30^(@)+tan45^(@)-"cosec"60^(@))/(sec30^(@)+cos60^(@)+...

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  17. Prove that : 1-(sinAsin(90^(@)-A))/(cot(90^(@)-A))=sin^(2)A

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  18. i) If acostheta+bsintheta=m and asintheta-bcostheta=n, then prove that...

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  19. If acostheta-bsintheta=c, then prove that: asintheta+bcostheta=+-sqr...

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  20. Without using trigonometric tables, evaluate each of the following: (...

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