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1-sec^(2) A // cosec^(2)A-1=...

`1-sec^(2) A // cosec^(2)A-1`=

A

`-tan^2A`

B

`-tan^4A`

C

1

D

`-sec^2A`

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VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
  1. (11/cot^(2) theta - 11/cos^(2) theta) విలువ

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  2. If sec2A=cosec(A-27), when 2A is an acute angle, then the measure of /...

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  3. 1-sec^(2) A // cosec^(2)A-1=

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  4. The maximum value of sintheta is

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  5. If tantheta=7/8, the value of {(1+sintheta)(1-sintheta)}/{(1+costheta...

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  6. If 5tantheta=4, then the value of (5sintheta-3costheta)/(5sintheta+3c...

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  7. sec theta =3kమరియు tan theta = 3/kఅయిన (K^(2)- 1/k^(2))విలువ

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  8. sintheta/(1+costheta) is=

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  9. If P, Q and R are interior angle of a trianglePQR, then tan((P+Q)/2) e...

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  10. The value of (2tan30^@)/(1+tan^2 30^@)=

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  11. If sin(x-20)^@=cos(3x-10)^@, then ‘x’ is

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  12. Maximum value of 1/sectheta,0^@lethetale90^@ is

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  13. The value of cos^2 17^@-sin^2 73^@ is

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  14. If A=30^@, then sin2A equals

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  15. The value of sin 45^@+cos45^@ is

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  16. In a right angled /\ABC right angle at ‘C’ if tan A=8/15, then the val...

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  17. If 1/2tan^2 45^@=sin^2A and ‘A’ is acute then the value of A is

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  18. Match the following : {:(,"List - I",,"List - II"),((1),cot((pi)/(...

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  19. If tantheta=1 then value of (5sintheta+4costheta)/(5sintheta-4costheta...

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  20. If cos2theta=sin4theta, here 2theta and 4theta are acute angles, then ...

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