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Flag 10 grade maths> IF,(secA+tanA)(secB+tanB)(secC+tanC)=(sec...
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IF,(secA+tanA)(secB+tanB)(secC+tanC)=(secA-tanA)(secB-tanB)(secC-tanC)
PROVE THAT EACH SIDE EQUALS TO +AND- 1

KKKKKKKKKKKKKKKKKKKKKKK , 10 Years ago
Grade 10
anser 1 Answers
KKKKKKKKKKKKKKKKKKKKKKK

Last Activity: 10 Years ago

multiply both sides by RHS and then calculate the student would get lhs equal to the required
Thenmultiply the both sdies by LHS we will get the RHS equal to the required
 

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