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Write the value of sec^(2)theta(1+sin ...

Write the value of `sec^(2)theta(1+sin theta)(1-sin theta).`

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Given expression `=sec^(2)theta(1-sin^(2)theta)=sec^(2)thetacos^(2)theta=1.`
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RS AGGARWAL-TRIGONOMETRIC IDENTITIES-Exercise 13C
  1. Write the value of sintheta cos(90^(@)-theta)+costheta sin(90^(@)-the...

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  2. Write the value of "cosec"^(2)(90^(@)-theta)-tan^(2)theta.

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  3. Write the value of sec^(2)theta(1+sin theta)(1-sin theta).

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  4. Write the value of "cosec"^(2)theta(1+costheta)(1-costheta).

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  5. Write the value of sin^(2)theta cos^(2)theta(1+tan^(2)theta)(1+cot^(2...

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  6. Smlplify : (1+tan^(2)theta)(1-sintheta)(1+sintheta)

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  7. Write the value of 3 cot^(2)theta - 3 "cosec"^(2)theta.

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  8. Write the value of 4 tan^(2)theta-(4)/(cos^(2)theta).

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  9. Write the value of (tan^(2)theta-sec^(2)theta)/(cot^(2)theta-"cosec...

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  10. If sin theta=(1)/(2), " write the value of " (3cot^(2)theta+3).

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  11. If cos theta=(2)/(3), " write the value of " (4+ 4 tan^(2)theta).

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  12. If cos theta=(7)/(25), " write the value of " (tan theta + cot theta)...

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  13. If cos theta = (2)/(3), " write the value of " ((sectheta-1))/((secth...

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  14. If 5 tan theta =4, " write the value of " ((costheta- sintheta ))/((c...

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  15. If 3 cot theta =4, " write the value of " ((2costheta+ sintheta ))...

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  16. If cottheta=1/(sqrt(3)) , show that (1-cos^2theta)/(2-sin^2theta)=3...

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  17. If tan theta =(1)/(sqrt(5)), " write the value of " (("cosec"^(2)th...

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  18. If cot A =(4)/(3) and (A+B)=90^(@), what is the value of tan B?

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  19. If A+B=90o and cosB=3/5 , what is the value of sinA ?

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  20. If sqrt(3) sin theta = cos theta and theta" is an acute angle, find ...

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