Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\sin (\pi + \theta )\sin (\pi - \theta )\csc^2 \theta = $
- A$1$
- B$-1$
- C$\sin \theta $
- D$-\sin \theta $
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જો $\alpha$ બીજા ચરણમાં હોય,તો $\sqrt{\frac{1 - \sin \alpha}{1 + \sin \alpha}} - \sqrt{\frac{1 + \sin \alpha}{1 - \sin \alpha}} = $
Medium
View Solution$\tan 1^\circ \tan 2^\circ \tan 3^\circ \dots \tan 89^\circ$ ની કિંમત કેટલી થાય?
જો $\cot x = -\frac{5}{12}$ અને $x$ બીજા ચરણમાં હોય,તો બાકીના પાંચ ત્રિકોણમિતીય વિધેયોની કિંમત શોધો.
Medium
View Solutionજો $\sin \left( x + \frac{4\pi}{9} \right) = a$ અને $\frac{\pi}{9} < x < \frac{\pi}{3}$ હોય,તો $\cos \left( x + \frac{7\pi}{9} \right)$ ની કિંમત શોધો:
$\sin 600^\circ \cos 330^\circ + \cos 120^\circ \sin 150^\circ$ ની કિંમત શોધો.
Easy
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