Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\frac{1}{1+\sin \theta}+\frac{1}{1-\sin \theta} = $
- A$2 \cos ^2 \theta$
- B$-2 \cos ^2 \theta$
- C$2 \tan ^2 \theta$
- D$2 \sec ^2 \theta$
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Similar Questions
$\cos ^2 45^{\circ}+\cos ^2 135^{\circ}+\cos ^2 225^{\circ}+\cos ^2 315^{\circ} = $
$\frac{1}{\cos 290^{\circ}}+\frac{1}{\sqrt{3} \sin 250^{\circ}} = $
જો $A$ બીજા ચરણમાં હોય અને $3\tan A + 4 = 0$ હોય,તો $2\cot A - 5\cos A + \sin A$ ની કિંમત શોધો.
Easy
View Solution$\tan A = \frac{-60}{11}$ અને $A$ એ $4^{\text{th}}$ ચરણમાં નથી. $\sec B = \frac{41}{9}$ અને $B$ એ $1^{\text{st}}$ ચરણમાં નથી. જો $\operatorname{cosec} A + \cot B = K$ હોય,તો $24K =$
જો $x = y \cos \frac{2\pi}{3} = z \cos \frac{4\pi}{3}$ હોય,તો $xy + yz + zx = $
Easy
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