Math, asked by nandini247618, 9 months ago

the value of tan ( -13pi/4)

pls answer​

Answers

Answered by anushkaparikh05
0

[-13 x 3.14]/4

= [-9.86]/4

= -2.4

Answered by mysticd
6

 \red{ Value \: of \: tan \Big( \frac{(-13\pi)}{4}\Big) }

 = - tan \Big( \frac{13\pi}{4}\Big)

 = - tan \Big( 4\pi -\frac{3\pi}{4}\Big)

 = -[- tan \Big( \frac{ -3\pi}{4}\Big)]

 = tan \Big( \frac{ -3\pi}{4}\Big)

 = - tan \Big( \frac{ 3\pi}{4}\Big)

 = - tan \Big( \pi -\frac{\pi}{4}\Big)

 = - [ - tan \Big( \frac{ \pi}{4}\Big)]

 = tan \Big( \frac{ \pi}{4}\Big)

 = 1

Therefore.,

 \red{ Value \: of \: tan \Big( \frac{(-13\pi)}{4}\Big) }\green {=1}

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