Tan20 cat70 -sec20 cosec70 iska ansar btawo
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Tan20 tan(90-70)-sec20 sec(90-70)
Tan20 tan20 - sec20 sec20
=> 1
Tan20 tan20 - sec20 sec20
=> 1
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HELLO FRIEND!!!
HERE IS YOUR REQUIRED ANSWER.
→tan(90°-70°)cot70°-sec(90°-70°)cosec70°
→cot70°*cot70°-cosec70°*cosec70°
→cot²70°-cosec²70°
→-(cosec²70°-cot²70°)
→-1 (because cosec²theta-cot²theta=1)
HOPE IT HELPS.
REGARDS
★KHUSHI★
HERE IS YOUR REQUIRED ANSWER.
→tan(90°-70°)cot70°-sec(90°-70°)cosec70°
→cot70°*cot70°-cosec70°*cosec70°
→cot²70°-cosec²70°
→-(cosec²70°-cot²70°)
→-1 (because cosec²theta-cot²theta=1)
HOPE IT HELPS.
REGARDS
★KHUSHI★
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