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The most general values of theta satisfy...

The most general values of `theta` satisfying the two equations `cos theta =-(1)/(sqrt2) and tan theta =1` are-

A

`2 n pi pm (pi)/(4)`

B

`n pi + (5pi)/(4)`

C

`(2n +1 ) pi+ (pi)/(4)`

D

`n pi -(5pi)/(4)`

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 8
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  2. The number of solutions of 2 cos ^(2) (x/2) sin ^(2)x =x^(2)+(1)/(x^(2...

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  3. The most general values of theta satisfying the two equations cos thet...

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  4. In any triangle ABC, if a,b,c are in A.P. then tan ""A/2, tan ""B/2, t...

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  5. In any triangle ABC, the value of (b^(2)sin 2C + c^(2) sin 2B) is-

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  6. If a sin theta =b sin (120^(@) +theta) =c sin (240^(@) +theta), then ...

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  7. The value of theta ( 0 lt theta lt (pi)/(2)) for which cos theta sin (...

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  8. The maximum value of [sin (x+(pi)/(6))+cos (x+(pi)/(6))] in the interv...

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  9. The value of cos ""pi/7 cos ""(2pi)/(7) cos ""(3pi)/(7) is-

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  10. In a triangle ABC, a=4 , b=3, A=60^(@), then c is the root of the equa...

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  11. The valud of sin 12^(@) sin 48^(@) sin 54^(@) is equal to-

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  12. In a right angled triangle, the hypotense is four times as long as the...

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  13. If n is an integer, which of the following is correct ?

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  14. If 1+ sin ^(2) A=3 sin A cos A , then possible values of tan A are-

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  15. The soluition of the equation sin theta -2= cos 2 theta in the interv...

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  16. The value od the expression sqrt(2+sqrt(2+sqrt(2+2 cos 8 theta )))is-

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  17. If tan x =b/a, then the value of (a cos 2x+ b sin 2x) is equal to-

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  18. If x= sum(n=0)^(oo) cos ^(2n)theta , y = sum (n=o) ^(oo) sin ^(2n)thet...

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  19. In a triangle PQR, angle R=(pi)/(2). If tan ""P/2 and tan ""Q/2 are th...

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  20. If A+B+C=pi then the value of cos ^(2)A + cos ^(2) B+ cos ^(2)C is-

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