જો $y = (1 + \tan A)(1 - \tan B)$ જ્યાં $A - B = \frac{\pi}{4}$ હોય,તો $(y + 1)^{y + 1}$ ની કિંમત શોધો.

  • A
    $9$
  • B
    $4$
  • C
    $27$
  • D
    $81$

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Similar Questions

ધારો કે $f(x) = \frac{\sin(x-a) + \sin(x+a)}{\cos(x-a) - \cos(x+a)}$,તો

જો $\operatorname{cosec}^2(\alpha+\beta)-\sin^2(\beta-\alpha)+\sin^2(2\alpha-\beta)=\cos^2(\alpha-\beta)$ જ્યાં $\alpha, \beta \in (0, \frac{\pi}{2})$ હોય,તો $\sin(\alpha-\beta)$ ની કિંમત શોધો.

જો $\cos (\theta - \alpha ), \cos \theta$ અને $\cos (\theta + \alpha )$ એ $H.P.$ માં હોય, તો $\cos \theta \sec \frac{\alpha }{2}$ ની કિંમત શોધો:

$\tan \frac{\pi}{5}+2 \tan \frac{2 \pi}{5}+4 \cot \frac{4 \pi}{5}$ ની કિંમત શોધો.

જો $\tan (\pi \cos \theta ) = \cot (\pi \sin \theta )$ હોય,તો $\cos \left( \theta - \frac{\pi }{4} \right)$ ની કિંમત શોધો.

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