exam
Maths Puzzle
Numerical Ability
If we extablish an identity, sinAcscA-sin^2*A could equal which of the following quantities?
1. 1
2. cos^2*A
3. sin^2*A-1
4. tan^2*A
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exam Other Question
Please can you help me with this problem?
sqrt 30x-15 = x+7
I cant seem to figure theses out and need some help:
Add. express your answer in simplist form
[x^2/x+10]+[9x-10/x+10]
and
[x/14]+3x/14]
Thank you
Thank you