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What is the value of , [(1-sin^(2)theta)...

What is the value of , `[(1-sin^(2)theta)sec^(2)theta +tan^(2)theta](cos^(2)theta +1)`, where `0 lt theta lt 90^(@)` ?

A

2

B

`gt 2`

C

`ge 2`

D

`lt 2`

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The correct Answer is:
B
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LUCENT PUBLICATION-ELEMENTARY TRIGONOMETRIC IDENTITIES -EXERCISE 11A
  1. Among given values of theta which one satisfies the equation (cos thet...

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  2. If 7 cos^2 theta +3 sin^2 theta =4 and 0 lt theta lt pi//2, what is th...

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  3. What is the value of , [(1-sin^(2)theta)sec^(2)theta +tan^(2)theta](co...

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  4. What is the value of sin^(2) 15^(@) + sin^(2) 20^(@) + sin^(2)25^(@) +...

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  5. What is sqrt((1 + sin theta)/(1 -sintheta)) equal to ?

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  6. If theta^(@) lt theta lt 90^(@) and (sin theta)/(cos theta) + (cos the...

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  7. If sin 3 theta = cos (theta - 2 ^(@)) where 3 theta and (theta - 2 ^(@...

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  8. What is ( sin ^(6) theta - cos ^(6) theta )/( sin ^(2) theta - cos ^(2...

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  9. If sin^(4)x + sin^(2) x =1, then the value of cot^(4)x + cot^(2)x is:

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  10. If x cos theta + y sin theta =2 and x cos theta - y sin theta =0, then...

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  11. Expression sin A (1 + tan A) + cos A(1+ cot A) is equal to:

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  12. If 0^(@) lt theta lt 90^(@) and cos^(2) theta - sin^(2) theta = 1/2,th...

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  13. If 3 sin theta + 4 cos theta = 5, then 3 cos theta - 4 sin theta is eq...

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  14. (1-sinAcosA)/(cosA(secA-cosecA)).(sin^(2)A-cos^(2)A)/(sin^(3)A+cos^(3)...

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  15. For 0^(@) lt theta lt 90^(@) which of the following expression is of t...

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  16. If a cos theta - b sin theta =c, then prove that a sin theta + b cos t...

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  17. Expression tan^(2)alpha + cot^(2)alpha is:

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  18. Find maximum value of sin^(8)theta+cos^(14)theta.

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  19. If P = 1/2 sin^(2)theta + 1/3 cos^(2)theta, then

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  20. Minimum value of 5costheta + 12 is:

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