Question

Show that 4 cos - 3 cos = 0
if cose
2
If tane = V2-1, show that cote = 12 +1
sino
1+tan 20 sece
4
tano
show that
n. If cose =
er
C.
w
show that 4 cos 0 - 3 cose = -
D) 1. If sine
2
1. If tan 0 = 2, show that seco sino + tan²8 -
2.2
2 Short Answer Type Questions​

Answer 1

Answer:

1. If tan 0 = 2, show that seco sino + tan²8 -

2.2

2 Short Answer Type Questions

Answer 2

Step-by-step explanation:

4 cos -3cos =0 means cos 3(30)

so theta =30°

sin 45=1/√2