Find the value of -15-4

It is known that the values of x repeat after an interval of π or 180^∘ . ∴( 15π/4)=( 4π+π4) =π4 =1 ...

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Use of Trigonometric Table

Find the valu...

Question

Find the value of $cot (- \frac{15 π}{4})$

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cot (- \frac{15 π}{4})

Find the value of the trigonometric functions of cot $(\frac{- 15 π}{4})$ .

f (x) = ∣ ∣ ∣ ∣ ∣ ∣ \begin{matrix} s i n^{5} x & l n s i n x & \frac{sin x}{\sqrt{s i n x} + \sqrt{c o s x}} n & \sum_{k = 1}^{n} k & \prod_{k = 1}^{n} k \frac{8}{15} & \frac{π}{2} l n (\frac{1}{2}) & \frac{π}{4} \end{matrix} ∣ ∣ ∣ ∣ ∣ ∣

\int_{0}^{π / 2} f (x) d x

cot^{- 1} (cot 5 π / 4) =

sin 765^{0}

cos e c (- 1410^{0})

tan \frac{19 π}{3}

sin (- \frac{11 π}{3})

cot (- \frac{15 π}{4})

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