Answer:
-1.
Step-by-step explanation:
(tanx- secx) (tanx+ secx).
= tan^2 x + tanx sec x- tanx sec x - sec^2x
= tan^2 x - sec^2 x.
But sec^2 x = 1 + tan^2 x
so tan^2 x - sec^2 x = -1
Answer:
63+48= 3(21+16)
Step-by-step explanation:
Check answer:
Distribute 3(21+16)
3(21)+3(16)
63+48
Answer:
35% chance
Step-by-step explanation:
add up total number of marbles 4+6+3+7= 20
add up number of red and yellow marbles 4+3= 7
there is a 7 out of 20 chance that a red or yellow marble is chosen or in other words 35% chance
Answer:
-12.5
Step-by-step explanation:
Hope it helps u
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