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Which of the following is correct?...

Which of the following is correct?

A

`Sin1^(@)ltsin1`

B

`Sin1^(@) lt sin1`

C

`Sin1^(@)=sin1`

D

`Sin1^(@) = (pi)/(180) sin1`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-TRIGONOMETRIC RATIOS-PRATICE SHEET (EXERCISE) (LEVEL-I(MAIN) (SINGLE ANSWER TYPE QUESTIONS)
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  2. cos^(2)(125^(@)-x)-cos^(2)(55^(@)+x)=

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  3. sin^(2)""(pi)/(18)+sin^(2)""(2pi)/(18)+sin^(2)""(4pi)/(18)+sin^(2)""(8...

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  4. If alpha,beta are complementary angles and sin alpha = (3)/(5), then s...

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  5. Which of the following is correct?

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  6. A = tan 1,B = tan2, C = tan3, then the desending order of A,B,C is

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  7. In a DeltaABC if cot A cot B cot C gt 0 then the triangle is

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  8. If A,B,C are angles of a tringle such that A is obtuse then

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  9. Minimum value of y = 256 sin^(2) x + 324 cosec^(2) x AA x in R is

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  10. If y = (sinx + cosecx)^(2) + (cos x + sec x)^(2).then the minimum valu...

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  11. x = asec^(3) theta tan theta , y = tan^(3) theta sec theta then sin^(2...

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  12. If x=asec^(n)theta,y=btan^(n)theta then ((x)/(a))^(2//n)-((y)/(b))^(2/...

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  13. The greatest value of sin^(4) theta + cos^(4) theta is

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  14. If (sin^(4)theta)/(a)+(cos^(4)theta)/(b)=(1)/(a+b) then (sin^(8)theta...

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  15. Observe the following lists. Let (sinx)/(a)=(cosx)/(b)=(tanx)/(c)=k. ...

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  16. The minimum value of a tan^(2)x + b cot^(2)x equals the maximum value ...

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  17. If f(x)=sin^(6) x + cos^(6) x for x in R , then f(x) lies in the int...

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  18. Match the following

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  19. The minimum value of 2costheta+(1)/(sintheta)+sqrt(2)tan theta in (0, ...

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  20. If sec alpha and "cosec" alpha are the roots of x^(2)-px+q=0 then

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