Math, asked by adnanahmed243344, 6 months ago

4. sin ?B = 2 sin B is true when B is equal to
(a) 90°
(b) 60°
(C) 30°
(d) 0°
5. 5 tanA-5 sec? A +1 is equal to
(a) 6
(b) -5
(c) 1
(d) -4
6. If y sin 45° cos 45º = tan2 45° - cos30°, then y=.
(a) -1/2
(b)1/2
(c) -2
(d) 2.​

Answers

Answered by SonalRamteke
1

4. sin ?B = 2 sin B is true when B is equal to

(a) 90°

(b) 60°

(C) 30°

(d) 0°

5. 5 tanA-5 sec? A +1 is equal to

(a) 6

(b) -5

(c) 1

(d) -4

6. If y sin 45° cos 45º = tan2 45° - cos30°, then y=.

(a) -1/2

(b)1/2

(c) -2

(d) 2.

  1. 30
  2. -4
  3. 1/2
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