UniKL Standard Formula Sheet - TRIGONOMETRY IDENTITIES...

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Unformatted text preview: TRIGONOMETRY IDENTITIES FUNDAMENTAL IDENTITIES FORMULAS FOR NEGATIVES sin 1 csc = ( 29 sin sin- =- cos 1 sec = ( 29 cos cos =- sin cos tan 1 cot = = ( 29 tan tan- =- cos sin tan = ( 29 csc csc- =- 1 cos sin 2 2 = + ( 29 sec sec =- 2 2 sec tan 1 = + ( 29 cot cot- =- 2 2 csc cot 1 = + ADDITION FORMULAS SUBTRACTION FORMULAS ( 29 B A B A B A sin cos cos sin sin + = + ( 29 B A B A B A sin cos cos sin sin- =- ( 29 B A B A B A sin sin cos cos cos- = + ( 29 B A B A B A sin sin cos cos cos + =- ( 29 B A B A B A tan tan 1 tan tan tan- + = + ( 29 B A B A B A tan tan 1 tan tan tan +- =- HALF-ANGLE FORMULAS DOUBLE-ANGLE FORMULAS 2 cos 1 2 sin - = cos sin 2 2 sin = 2 cos 1 2 cos + = 1 cos 2 .......... sin 2 1 .......... sin cos 2 cos 2 2 2 2- =- =- = cos 1 sin sin cos 1 2 tan + =- = 2 tan 1 tan 2 2 tan- = PRODUCT-TO-SUM FORMULAS SUM-TO-PRODUCT FORMULAS...
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UniKL Standard Formula Sheet - TRIGONOMETRY IDENTITIES...

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