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In the figure, angle PRQ=90^@ , write ...

In the figure, `angle PRQ=90^@` ,
write sin P and cos Q.

Text Solution

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sin P`(RQ)/(PQ),cos Q =(RQ)/(PQ)`
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Knowledge Check

  • In the figures angle PQT = p, angle TSR = q, and angle PTQ = 60^(@) Then p+q equals

    A
    ` 300 ^(@) `
    B
    ` 30^(@) `
    C
    ` 120 ^(@) `
    D
    ` 60 ^(@)`

  • In the given figure , PQRS is a quadrilateral, PR and QS intersect at O. If angle PQR = 70^(@), angle SPQ = 80^(@), and angle PRQ = 60^(@) , then find angle SPR

    A
    `30^(@)`
    B
    `50^(@)`
    C
    `40^(@)`
    D
    `45^(@)`

  • In the figure below 2 angle P = angle QOP , OQ and OR are bisectors of angle Q and angle R respectively. Find angle P

    A
    `60^(@)`
    B
    `70^(@)`
    C
    `40^(@)`
    D
    `80^(@)`
    • NAVNEET PUBLICATION - MAHARASHTRA BOARD-PRACTICE QUESTIONS BASED-TRIGONOMETRY
    1. In the figure, angle PRQ=90^@ , write sin P and cos Q.

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    2. In the figure , angle XYZ =90^@, XY=3, YZ=4 and XZ=5 , then find ta...

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    3. What is the value of tan 60^@ and sin 45^@ ?

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    4. Find the value of sin ^2 30^@ +cos^@ 45^@ .

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    5. Fill in the blanks : (i) sin 32^@= cos ……….. (ii) tan 40^@xxtan……...

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    6. if sin^2theta=1/2 ,then find cos^2theta.

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    7. With the help of the given figure , find tan thetaxx tan(90-theta) .

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    8. In the figure , find sin N , cos N, tan W and sin W.

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    9. If cos (40+x)^@ =sin 30^@, find the value of x.

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    10. If sin (A+20)^@ =sqrt(3)/(2) , then find the value of A .

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    11. If sin A cos A =1/2, A is the acute angle , then find the value of A .

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    12. Find the value of sin^2 30^@+cos^2 60^@+tan^2 45^@ .

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    13. Find the value of 2 tan^2 45^@ +cos^2 30^@-sin^2 60^@.

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    14. If sin theta=(11)/(61) then find cos theta.

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    15. If sin theta=(7)/(25) and cos theta=(24)/(25) , then find tan theta.

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    16. Find the value of sin theta xxcos (90-theta) +cos thetaxx sin (90-th...

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    17. Find the value of (cos 56^@)/(sin 34^@) .

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    18. If cos theta=(15)/(17) , then find sin theta .

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    19. Find the value of (tan 60^@)/(sin 60^@ +cos 60^@) .

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    20. If tan theta =1 then find the value of theta and sin theta .

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