Question

(1 - sin ^2 theta) ×(sec ^2 theta -1) =sin ^2 theta
prove this ....☝️☝️​

Answer 1

( b ) If G is the mid - point of AC , prove that ( i ) AAEG = ACEG , ( ii ) BD · DG = AG ? + DG2 . T In the ... ( a ) Prove the identity ( cos 0 – sin ) ( cosec 0 - sec 0 ) = sec 0 cosec 0 – 2 . ... ( b ) On one diagram , sketch the graph of each of the following . ... State the number of solutions of the equation sin 2x = \ sin x | in this range . 8 .