Question 2 quant reasoning DAT DESTROYER

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mjzgrk

Full Member
10+ Year Member
Can someone please explain to me te rules of sin, cos, tan, Csc, sec etc?
I don't understand why the final equation before solving is 2sin(22)Cos(22)x (1/cos(22)).... Where did the cos22 with the 2sin22 come from?
The question is: sin(44) x sec(22) is equivalent to?
Thanks
 
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