Question

7
27. cor
8. Show that col
3л
cot
20
St
cot
20
cot
7π
20
cot
= 1.
20
Show that cos'a + 2 cos
4
co* a + 2 cos' al' see a
= 1 - sina.
4
Prove that 2/sine + cos O) - 3(sin e + cos e) + 1=0.
Prove that (tan 0 + cot 0)+ = sec 0 + cosec? o = seco.co
SHORT ANSWER TYPE QUESTIONS
w that
sin (-117/3). tan​

Answer 1

Answer:

so sorry pata nahi iska answer