Q. If secA+tanA=p, then show that secA-tnaA=1/p
Q. Evaluate:
(i) sec²60°+sec0°
(ii) sin12°+sin78°
Q. Simply:
(i) (1-sinA)(tanA+secA)
(ii)(secA+cosA)(cotA+tanA)
Q. If a sweet shopkeeper prepares 396 gulab jamun and 342 ras-gullas. He packs them in containers. Each container consist of either gulab jamuns or ras-gullas in equal number pieces. Find the number of pieces he should put in each box so that number boxes are least.
Q. If a polynomial x⁴+5x³+4x²-10x-12 has two zeroes -2 and -3, then find the other zeroes
Q. ∆ABC is right angled at B. P and Q are the mid points of AB and BC, then prove that:
(i)4PC²=4BC²+AB²
(ii)4AQ²=4AB²+BC²
(iii)5AC²=4PC²+4AQ²
