Math, asked by Anonymous, 1 year ago

${\textbf{Subject : Mathematics}}$

${\textbf{Chapter : Trigonometric functions }}$

class 11th

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Anonymous: yes

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Answered by Anonymous

7

welcome to the concept of trigonometry ❤️.

we know that

$\cos( - x) = \cos(x)$

and formula of cos 2x

and sinA+sinB

simply LHS.

⏩ I hope it help you ❤️❤️❤️❤️

miss you my friend ❤️❤️

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Answered by Anonymous

9

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