3. If sin yº = $, and angle y is obtuse, find :- (a) cos y (b) tan yº. 4. If coszº= f, and angle z is acute, find :- (a)

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3 If Sin Yo And Angle Y Is Obtuse Find A Cos Y B Tan Yo 4 If Coszo F And Angle Z Is Acute Find A 1 (16.11 KiB) Viewed 54 times

3. If sin yº = $, and angle y is obtuse, find :- (a) cos y (b) tan yº. 4. If coszº= f, and angle z is acute, find :- (a) sin zº (b) tan cº. 5. Given cos A = { and sin B =}, where both A and B are acute, find the value of :- (a) sin A (b) tan A (d) tan B (c) cos B tan A -tan B (e) 1 + tan Atan B