Latest exam Aptitude Question SOLUTION: verify the identity sin(a+B)sin(a-B)= cos^2B-cos^2a Don't know how to make the correct symbols...sorry.

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Previous Question: -3x^2+7x=-5 solve by completing the square. then write in vertex form Next Question: 9g + 7h = 9g - 7h + g

(#M40135302) EXAM Numerical Ability question Keep an EYE

verify the identity

sin(a+B)sin(a-B)= cos^2B-cos^2a

Don't know how to make the correct symbols...sorry.: Asked In exam (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: -3x^2+7x=-5 solve by completing the square. then write in vertex form Next Question: 9g + 7h = 9g - 7h + g

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