Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easyજો $\operatorname{cosech} x = \frac{4}{5}$ હોય,તો $\sinh x = $
- A$\frac{4}{5}$
- B$\frac{5}{4}$
- C$\frac{2}{3}$
- D$\frac{2}{5}$
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$\frac{\sin 70^{\circ}+\cos 40^{\circ}}{\cos 70^{\circ}+\sin 40^{\circ}}$ ની કિંમત શોધો.
$\frac{1}{\cos 290^{\circ}}+\frac{1}{\sqrt{3} \sin 250^{\circ}} = $
જો $x \neq 0$ હોય,તો $\frac{\sin (\pi+x) \cos (\frac{\pi}{2}+x) \tan (\frac{3 \pi}{2}-x) \cot (2 \pi-x)}{\sin (2 \pi-x) \cos (2 \pi+x) \operatorname{cosec}(-x) \sin (\frac{3 \pi}{2}+x)} = $
જો $\cot (A+B)=0$ હોય,તો $\sin (A+2 B)$ ની કિંમત શું થાય?
જો લોલકની લંબાઈ $75 \, cm$ હોય અને તેનો છેડો $21 \, cm$ લંબાઈનો ચાપ બનાવે,તો લોલક દ્વારા કપાતો ખૂણો રેડિયનમાં શોધો.
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