Latest book Aptitude Question SOLUTION: simplify these expressions: (2cotB)/(1+cot^B) the answer is supposed to be 2cosBsinB but i have no idea how that occurs.

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Previous Question: What is the area of a triangle with the sides of 2.6 ft., 3.4 ft., and 4.1 ft. Next Question: Can you help with this non-linear systems of equations X^2 - Y^2 = 32 X - Y = 8 Thank you in advance.

(#M40102540) BOOK Numerical Ability question Keep an EYE

simplify these expressions:

(2cotB)/(1+cot^B)

the answer is supposed to be 2cosBsinB but i have no idea how that occurs.: Asked In book (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: What is the area of a triangle with the sides of 2.6 ft., 3.4 ft., and 4.1 ft. Next Question: Can you help with this non-linear systems of equations X^2 - Y^2 = 32 X - Y = 8 Thank you in advance.

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