If sin A=21 and cos B=21, then the value of (A+B) is equal to :

sinA=21,cosB=21⇒sinA=sin30°,cosB=cos60°⇒A=30°,B=60°∴A+B=30°+60°=90°Hence, the answer is 90°.

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If sin A={1}{2} and cos B={1}{2}, then the value of (A+B) is e

Question

If sin $A = \frac{1}{2}$ and cos $B = \frac{1}{2}$ , then the value of $(A + B)$ is equal to :

0^{\circ}

6 0^{\circ}

9 0^{\circ}

3 0^{\circ}

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Sophia Discussed

If sin

A = \frac{1}{2}

and cos

B = \frac{1}{2}

, then the value of

(A + B)

is equal to :

7 mins ago

Discuss this question LIVE

7 mins ago

sin A = \frac{1}{2}, cos B = \frac{1}{2}

\Rightarrow sin A = sin 30°, cos B = cos 60°

\Rightarrow A = 30°, B = 60°

∴ A + B = 30° + 60° = 90°

Hence, the answer is

90°.

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Question Text	If sin $A = \frac{1}{2}$ and cos $B = \frac{1}{2}$ , then the value of $(A + B)$ is equal to :
Answer Type	Text solution:1
Upvotes	150