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™N Bank of Questions -X ~- Oaths } ji Find he value of 2 tan 50 j— ten’ 30° 2 of tan® = 3 find the value of I= cos @ | I+ cos°® 3B. of 3Sec8 =5 find cote . xp sinQ + sin A =| then final cosa t+ cos A: 5. Pov that It smuA _ sec4 + tan4, l- smd . 2 2 6. Prove thal (sa + Cosech) + ( Cos4.t See A) = Tt tan 4 + cot A F. Tf sine + cose = Jz then rer that tano+ Core=! — 7 2 8, Prove thal |- sind 2 fsee6 + tand) t+ sind y g. of tan (At ®) = 3% then fina ra anc Bb: ™m and tane- sin® = 7 show andl tan (A-8) = cm Jo. of tan? + sing = grat mena = 4 Jr. : bserwes the angle of A person of- a xniver o : Il. % of the “top of- a tree on oppes 2 bark re ne 4, ves 4om oH from the bank he fn s the when e mo . “al ate Feaglt of. the tree anal standi on the bank atondis angle of elevation ‘Pb be go» Fe width he ewation of- the top of % building from the feat of. the dan le of elevation of the top of- the tower from the {2. The angle of el i of the wer is Som high , find the . power is 30 an ot the batldir is Go- iat of. the building i C Scanned with OKEN Scanner 
