Question

Q3. The area of the circle is 16x square units. If the centre of the circle is (7.-3). Find the equation of the circle. [3] Q4. Find the combined equation of the straight lines whose separate equations are 1 + 2y - 3= 0 and 3.r - y + 4 = 0. [3] Q5. If A, B are acute angle and sin A = 1, cos B - then find cos(A+B). [3 Q6. Find he value of tan 15. (3) Q7. If tan A = 3 and tan B = }, then prove that A - B - [4]​

Answer 1

Answer:

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