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Standard X

Mathematics

Relation between Trigonometric Ratios

Sin 2 A =2 si...

Question

Sin 2A = 2 sin A is true when A =

(a) 0°
(b) 30°
(c) 45°
(d) 60°

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Solution

We are given

So

Hence the correct option is

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Similar questions

Q. Choose the correct option and justify your choice.
(iii)

s i n 2 A

= 2sinA is true when A=

Q. Question 2 (iii)
Choose the correct option and justify your choice.
(iii)

s i n 2 A

= 2sinA is true when A =
(A)

0^{\circ}

(B)

30^{\circ}

(C)

45^{\circ}

(D)

60^{\circ}

Q. Question 2 (iii)
Choose the correct option and justify your choice.
(iii)

s i n 2 A

= 2sinA is true when A =
(A)

0^{\circ}

(B)

30^{\circ}

(C)

45^{\circ}

(D)

60^{\circ}

Choose the correct option and justify your choice.

(i)

(A). sin60°

(B). cos60°

(C). tan60°

(D). sin30°

(ii)

(A). tan90°

(B). 1

(C). sin45°

(D). 0

(iii) sin2A = 2sinA is true when A =

(A). 0°

(B). 30°

(C). 45°

(D). 60°

(iv)

(A). cos60°

(B). sin60°

(C). tan60°

(D). sin30°

Q. Sin 2A=2sinA is true when A is equal to.

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Sin 2A = 2 sin A is true when A = (a) 0° (b) 30° (c) 45° (d) 60°

We are given So Hence the correct option is

Sin 2A = 2 sin A is true when A =

(a) 0°
(b) 30°
(c) 45°
(d) 60°

We are given

So

Hence the correct option is