Please answer this....
Trignometry Class 10
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Answer:2
Step-by-step explanation:
={Sin^2 22°+sin^2(90-22)/cos^2 22°.
+cos^2(90-22)
+Sin^2 63° + cos63°•sin(90-27)°
= Sin^2 22° + cos^2 22°/cos^2 22°+sin^2 22°
+ Sin^2 63° +cos^2 63°
(Sin^2 a° +cos^2a° = 1)
= 1/1 + 1 = 2
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