ધારો કે $k = 1, 2, 3, ...$ માટે ${f_k}(x) = \frac{1}{k}(\sin^k x + \cos^k x)$ છે. તો તમામ $x \in R$ માટે,$f_4(x) - f_6(x)$ ની કિંમત કેટલી થાય?

  • A
    $\frac{1}{12}$
  • B
    $\frac{1}{4}$
  • C
    $-\frac{1}{12}$
  • D
    $\frac{5}{12}$

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જો $\theta = 3\alpha$ અને $\sin \theta = \frac{a}{\sqrt{a^2 + b^2}}$ હોય,તો $a \operatorname{cosec} \alpha - b \sec \alpha$ પદાવલિનું મૂલ્ય શોધો.

જો $0 < x < \pi$ અને $\cos x + \sin x = \frac{1}{2}$ હોય,તો $\tan x$ ની કિંમત શોધો.

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જો $b \sin \alpha = a \sin (\alpha + 2\beta)$ હોય,તો $\frac{a + b}{a - b} = $

જો $\tan \left( \frac{\pi}{4} + \theta \right) + \tan \left( \frac{\pi}{4} - \theta \right) = \lambda \sec 2\theta$ હોય,તો $\lambda$ =

$\csc \frac{\pi}{18} - \sqrt{3} \sec \frac{\pi}{18}$ ની કિંમત એ એક

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