જો $\sin t + \cos t = \frac{1}{5}$ હોય,તો $\tan \frac{t}{2}$ ની કિંમત શું થાય?

  • A
    $-1$
  • B
    $-\frac{1}{3}$
  • C
    $2$
  • D
    $(b)$ અને $(c)$ બંને

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$\frac{1-\cos 2 \theta+\sin 2 \theta}{1+\cos 2 \theta+\sin 2 \theta}=$

જો $A = 580^\circ$ હોય,તો નીચેનામાંથી કયું વિધાન સાચું છે?

જો $a \sin \theta = b \cos \theta$,જ્યાં $a, b \neq 0$,તો $a \cos 2 \theta + b \sin 2 \theta = $

જો $\tanh(x) = \frac{1}{3}$ હોય,તો $\tanh(3x)$ ની કિંમત શોધો.

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