An example of basic trigonometric functions question is find tan 
.
<h3>What are trigonometric functions?</h3>
The term trigonometric function is known to be made up of functions such as sine (sin), cosine (cos), tangent (tan), etc., that stands for the ratios of sides of all right triangles.
To solve for tan
It will be = 2
+ 
θ = 
θ = 
To know the right angle,
θ = x 180/4 = 45⁰
tan θ = 1
Therefore, tan = -1
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Normal human body cells are diploid and the basic chromosomes number of human cell is (n) 23. Thus, a normal human cell has (2n) 46 chromosomes out of which 44 are autosomes and 2 are gender chromosomes XY.
<h3>
</h3><h3>
What are chromosomes?</h3>
Chromosomes are threadlike structure of nucleic acids and protein present in the nucleus of living cells, carry genetic information in the form of genes.
The "X" or "Y" gene which determines whether new born will be a boy or a girl is an example of a chromosome. the below diagram representing the chromosome.
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