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Tangent repeats every 180 degrees, so Tan(180 + a) = tan(a). This site has several useful identities.
http://www.mathwords.com/t/trig_identities.htm
What else can I help you with?
What is 180 plus 180 plus 180 plus 180 plus 180 plus 180 plus 180 plus 180?
8 x 180 = 1,440
What 180 plus 124?
180 plus 124 = 304
What are the six trigonometric functions of 180 degrees?
sin(180) = 0 cos(180) = -1 tan(180) = 0 cosec(180) is not defined sec(180) = -1 cot(180) is not defined.
What is 180 plus 170 plus 120 plus 180 plus 110 plus 130 plus 160 divided by 7?
150
What is 180 plus 170 plus 120 plus 180 plus 110 plus 160 plus 130?
This is addtion. These numbers added to gether will give you 1050.
Find the value of tan 180 plus 15?
For tan(180 degrees), this is simply sin(180 degrees)/cos(180 degrees). To find these values, note that 180 degrees is the leftmost point on the unit circle, at y=0, x=-1, so is tan(180 degrees)=0/-1=0. Then adding 15 gives 15.
What is 180 plus 180 plus 180 plus 180 plus 180 plus 180 plus 180 plus 180?
8 x 180 = 1,440
How do you find the value of tan 135?
tan(135) = -tan(180-135) = -tan(45) = -1
How do you calculate trigonometric ratios of obtuse angles?
If ø is an obtuse angle then (180 - ø) is an acute angle and: sin ø = sin (180 - ø) cos ø = -cos (180 - ø) tan ø = -tan (180 - ø)
What is periodical in reference to math?
It is used when a function takes the same values after some fixed interval, and multiples of that interval. For example, tan(x) = tax(x + 180) = tan(x + 360) = tan(x + n*180) for all integer values of n. So tan is said to be periodic, with period 180 degrees (or π radians).
What 180 plus 124?
180 plus 124 = 304
Tan 9 plus tan 81 -tan 27-tan 63?
tan(9) + tan(81) - tan(27) - tan(63) = 4
What are the six trigonometric functions of 180 degrees?
sin(180) = 0 cos(180) = -1 tan(180) = 0 cosec(180) is not defined sec(180) = -1 cot(180) is not defined.
What is 45 plus 180?
45 plus 180 equals 225.
What is tan20 tan31 plus tan32 tan38 plus tan 38 tan 20?
It is approx 0.9725
Why tangent 360 degree is equal to zero?
The tangent function is a periodic function with period 180 degrees sotan(360) = tan(360-2*180) = tan(0) = 0.
What is a plus 3a plus 5a equals 180?
a + 3a + 5a = 180 9a =180 a = 20
