Question

what is the easy way for finding triangular number??​

Answer 1

Answer:

from the above question answer is

Answer 2

●Answer●

For any right triangle, there are six trig ratios: Sine (sin), cosine (cos), tangent (tan), cosecant (csc), secant (sec), and cotangent (cot). Here are the formulas for these six trig ratios: Given a triangle, you should be able to identify all 6 ratios for all the angles (except the right angle).

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