Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easyત્રિકોણમિતીય વિધેય $\cot \left(-\frac{15 \pi}{4}\right)$ ની કિંમત શોધો.
- A$1$
- B$-1$
- C$0$
- D$\sqrt{3}$
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જો $\tan \theta = \frac{a}{b}$ હોય,તો $\frac{\sin \theta}{\cos^8 \theta} + \frac{\cos \theta}{\sin^8 \theta} = $
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View Solutionજો $\theta$ ત્રીજા ચરણમાં હોય અને $\cos \theta = -\frac{3}{5}$ હોય,તો $\tan \theta$ ની કિંમત શોધો.
જો $A, B, C, D$ એ ચક્રીય ચતુષ્કોણના ક્રમમાં લીધેલા ખૂણાઓ હોય,તો $\cos(180^{\circ} + A) + \cos(180^{\circ} - B) + \cos(180^{\circ} - C) - \sin(90^{\circ} - D) =$
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View Solution$\cos 36^{\circ} - \cos 72^{\circ}$ ની કિંમત શોધો.
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