Math, asked by shreeshkajave1351, 10 months ago

Q.2 In triangle ABC, right angled at B, if cot A = root3 find the value of i) sinA cosC + cosA sinC ii) cosA cosC – sinA sinC

Answers

Answered by SaiAnjaniKumar

4

Step-by-step explanation:

1)

AC=2

AB=ROOT3

BC=1

SINA = OPPOSITE /HYPOTENUSE

=1/2

COSC=ADJACENT / HYPOTENUSE

=1/2

(COSA)(SINC)=ROOT3/2 *ROOT3/2

=3/4

SUBSTITUE THE SOLUTIONS

1/2 + 1/2 + 3/4

=7/4

2)DIRECTLY

ROOT3/4+ROOT3/4

2ROOT3/4: IS THE ANSWER

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