'True' (સાચું) અથવા 'False' (ખોટું) લખો અને તમારા જવાબનું સમર્થન કરો.
પદાવલિ $(\cos^{2} 23^{\circ} - \sin^{2} 67^{\circ})$ નું મૂલ્ય ધન છે.

  • A
    True
  • B
    False
  • C
  • D

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સાબિત કરો કે:
જો $\tan A = \frac{3}{4}$ હોય,તો $\sin A \cos A = \frac{12}{25}$

જો $\sin \theta = \frac{3}{5}$ હોય,તો $\tan \theta = \ldots$

$\frac{\cos ^{2} 40^{\circ}+\cos ^{2} 50^{\circ}}{\sin ^{2} 40^{\circ}+\sin ^{2} 50^{\circ}}=\ldots \ldots \ldots \ldots$

જો $\cot \theta = \frac{a}{b}$ હોય,તો $\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta} = \ldots$

જો $\sec \theta = 1$ હોય,તો $\theta = \ldots \ldots \ldots$ ($^{\circ}$ માં)

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