TRIGONOMETRY - PART - 15 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS

ICSE MATHS CLASS 9 – PAGE -294

EXERCISE – 22(B) – PROBLEM – 06

In the given fig. given below, ABC is an isosceles triangle with BC = 8 cm and AB = AC = 5 cm. Find

(i) sin B (ii) tan C (iii) sin2 B + cos2 B (iv) tan c – cot B.