Question

find the sum of 56 - 89 -66 89 ​

Answer 1

$\huge\tt\blue{Solution:}$

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$\small\sf{We \:have \:to \:find \:sum \:of \:56, }$$\small\sf{- 89, \:- 66 \:and\: 89 :}$

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$\sf : \implies 56 + ( - 89) +(-66) + 89$

$\sf : \implies 56 - 89 -66 + 89$

$\sf : \implies 56 - \cancel{89} -66 + \cancel{89}$

$\sf : \implies 56 -66$

$\sf : \implies - 10$

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$\pink\small{\bold {Hence, \:sum \:of \:56, \:- 89, \:-66\: and\:89}}$$\pink\small{\bold { is \:- 10.}}$

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$\small\sf\pink{\bold{Itshappyqueen03♡}}$

Answer 2

Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.

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