Question
Maths
Feb. 2, 2019, 6:28 p.m.
Answer
If A,B,C are the interior angles of a triangle ABC then show that cosec2(b+c÷2)-tan2a÷2=1
How do I solve this problem in short form?
Maths
Feb. 2, 2019, 2:48 p.m.
Answer
In fig. 3, PQ and PR are tangents to the circle with centre O and S is a point on the
circle such that SQL 50 and SRM 60 . Find QSR.
Maths
Feb. 2, 2019, 11:28 a.m.
Answer
If a vector equals to two ICAP - 3 J cap 4 k cap and b vector equals to ICAP 2 J cap - 3 k cap and C vector equals to 3 ICAP 4 j cap - K cap and find a vector dot b vector cross a vector and a vector cross b vector dot C vector