Answer: u can research it up
Step-by-step explanation: 210/100 i guess
If two angles are equal, then they are both obtuse
is proved
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Given that,
------- (1)
First we will simplify the LHS and then compare it with RHS
------ (2)

Substitute this in eqn (2)

On simplification we get,


Cancelling the common terms (sinx + cosx)

We know secant is inverse of cosine

Thus L.H.S = R.H.S
Hence proved
Firstly, you have to isolate the X on one side if the equation by doing that you have to divide the numbers that are on the same side of the equation as part of the X.
Answer:
B.15/121
Step-by-step explanation:
total-11
- P(red)= 3/11
- P(blue)=5/11
- P(red+blue)= 3/11*5/11= 15/121