Question

1
so
cosec
0
=
1
sa
cosec
"
=
(
1
)
"
+
(
1
)
*
2
.
EXERCISES 4 (b)
In the following questions, write T for true and F for false statement
If tan x+tan y= 5 and tan x tan y = 2, then cot (x + y) = 10
13 (+ tan 15) = 1 - tan 150
If lies is third quadrant, than cos 1 is positive
+ sin​

Answer 1

Answer:

plz.....write this clearly