Question

IT
- + x
tan
4
1+tan x
cos (1 + x) cos (-x)
cot²x
8.
TT
1- tan x
tan
х
sin (IT - x) cos
TC
-tx
2
4
COS
Зп
370
+ x cos (21 + x) cot - x + cot (211 + x) = 1
2
2
sin (n + 1)x sin (n + 2)x + cos (n + 1)x cos (n + 2)x = cos x
370
376
3.co
COS
- 12 sin x
4
4
sin? 6x - sin? 4x = sin 2x sin 10x 13. cosa 2x - cos6x = sin 4x sin 8x
sin2 x + 2 sin 4x + sin 6x = 4 cos2 x sin 4x
cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x)​

Answer 1

Answer:

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