Question

find the value of sin 30°+ sin 45°×cos 45°
step by step EXPLANATION
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Answer 1

Answer:

3/4

Step-by-step explanation:

sin 30 is half

sin 45 is 1 by root 2

cos 45 is also 1 by root2

1/2 + 1/√2 * 1/√2=

1/2+1/4=

3/4...

hope it's right

Answer 2

Answer: 1

Step-by-step explanation:

sin 30°+ sin 45°×cos 45°

→ 1/2 + 1/√2 x 1/√2

→ 1/2 + 1/(√2x√2)

→ 1/2 + 1/2

→ 1 .

KEPOINTS →

• SIMPLY PUT THE VALUES OF SIN 30⁰ , COS 45⁰AND SIN 45⁰

• THEN RATIONALISE SIN 45⁰ x COS 45⁰

• THEN ADD THE ALL OF THEM AND YOU WILL GET OUR ANSWER.

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