(i) 2
2 tan 30
1 tan 30
° = + °
(A) sin 60° (B) cos 60° (C) tan 60° (D) sin 30°
(ii)
2
2
1 tan 45
1 tan 45
− ° = + °
(A) tan 90° (B) 1 (C) sin 45° (D) 0
(iii) sin 2A = 2 sin A is true when A =
(A) 0° (B) 30° (C) 45° (D) 60°
(iv) 2
2 tan 30
1 tan 30
° = − °
(A) cos 60° (B) sin 60° (C) tan 60° (D) sin 30°
Answers
Answered by
3
Answer:
tan 60 for 1st question,
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