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In two triangle ABC and DEF, AB= DE ,BC=...

In two triangle ABC and DEF, AB= DE ,BC=DF and AC =Ef then

A

`pi/3`

B

`pi/2`

C

`(2pi)/(3)`

D

`(5pi)/(6)`

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-1
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  8. The number of points of intersection of the curves 2y =1 " and " y = "...

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  9. If pn = cos^n theta + sin^n theta then pn - p(n-2) = k p(n-4) where k

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