sin cos Flashcards by Prajwal Raut

Q

sin (a + b)

A

sin a . cos b + cos a . sin b

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Q

sin (a - b)

A

sin a . cos b - cos a . sin b

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Q

cos(a + b)

A

cosa.cosb - sina.sinb

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Q

cos(a - b)

A

cosa.cosb + sina.sinb

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Q

tan(a + b)

A

tan a+ tan b

1 - tan a. tan b

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