Question

20. If 3 sino CASO = 0, find the
Ba Simpofy sino + cose
sino coso
sino-COS O
COS A
itsin
COS A
+ 1+ sina
so. Prove that: COSA
= 1
Cosec Acosta
134. Evaluate tot 60 + 4 sint 45'+ 3 sec 30+ Scos ao
cosec 30+ sec 60 cot 30
32. Prove that: seco - seco = tanto + taro
33. Bove that: sinto + costo
1-2 sino costo
34 prove that : E-COSA
s. Find the value of tartso - coteo.log
Evaluate: sin 90°
+
93
cos 45 cosec 30 L 2
If 4 cos O = 13 sino, find the value of Il coso
It 3 sino - COSO =O, tind
11 CDS -
ho​

Answer 1

Answer:

the study of and knowledge about the physical world and natural laws

Answer 2

Answer:

In which class you are???

I am in class 10th